First of all this is my first guide here for clraik so I hope its complete..
Second: If you are looking for an specific acronym / abbreviation word, just ctrl+f and type
Decided to create the guide after @(you need an account to see links) asked for a complete guide to acronyms. Although I found an old guide in the site (you need an account to see links) , I've seen its quite incomplete, and sort of finished it with this complementary guide.
In the first draft I've included Battledome abbreviations (mostly items used at battledome), but then decided to no include them on the final copy of the guide as they were a lot (I literal mean over 3 pages of them). Maybe in a separate future guide?
As this is my first guide on the site any advice is appreciate. On the other hand as I already explained on some of my previous posts English is not my native language, so any grammatical advise is also appreciated 
Neopets General
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Below you can see a table of the most commonly used abbreviations on Neo that can't be included in an specific category as they are very general.
HT ---- > Hidden Tower
NF ---- > Neofriends
NC ---- > NeoCash (Used in the NC Mall)
NM ---- > Neomail
NP ---- > Neopoints
NST ---- > Neopian Standard Time
NT ---- > Neopian Times
PB ---- > Paint Brush
PP ---- > PetPet
PPP ---- > PetPetPet
P3 ---- > PetPetPet
PPPB ---- > PetPet Paint Brush
RE ---- > Random Event
SDB ---- > Safety Deposit Box
SHH ---- > Something Has Happened
T&C ---- > Terms and Conditions
TCG ---- > Trading Card Game
TNT ---- > The Neopets Team
Trading / Auctions /Shop
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Below you can see a table of the most commonly used abbreviations that have something to do with trading or Trading/Auctions and Shop boards.
TC ---- > Trading Chat
TP ---- > Trading Post
FA ---- > Fun Auctions - Auctions with a very low starting price and "supose" high end profit. Why "supose", because everyone may use this term to attract people to their auctions when they are really common ones
ETS ---- > Easy To Sell
HTS ---- > Hard To Sell
Firm ---- > Refered to as the final offer. Not willing to haggle lower
GLS ---- > Good Luck Selling
H ---- > Haggle
HB ---- > Haggle Back
PC ---- > Price Check
Pure ---- > an offer of Neopoints exclusively
AUTO ---- > An offer of this amount/item will be accepted without further consideration
K ---- > Number followed by K means Thousand
M ---- > Same as letter "K", but applies to millions. Can also be used "KK" when referring to millions
NTY ---- > No Thank You
OBO ---- > Or Best Offer
R# ---- > Refers to Rarity of the item # (Rarity 99)
SSW ---- > Super Shop Wizard
SW ---- > Shop Wizard
UB ---- > Unbuyable
PB ---- > Paint Brush
PPPB ---- > PetPet Paint Brush
Trans ---- > Transmogrification Potion
So when chatting on the Trading post / Auctions boards, it is very common to see a board with the following title: "reseller buying with XXXX pure amount of Nps" And within the first post a text with the following: "post with format"
The standard form looks like this:
Name Item - No Need to explain
R - rarity of the item
TP: $$price - Trading post price
MP: $$ price -- Your asking price
Haggle? : yes/no (if you are willing to haggle or not), may instead write firm.
Avatar Related
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Avatar related Abbreviations and usually used on the avatars boards.
Av, Avv, Avvie ---- > Avatar
BGC ---- > Bony Grarrl Club
BP ---- > Black Pteri
BTY ---- > Better Than You
CS ---- > Clawed Shield
Coll / Collat ---- > Collateral (for lending avatar items)
EFMC ---- > Escape From Meridell Castle
FB ---- > Fire Blumaroo
FQD ---- > Faerie Queen Doll
GTU ---- > Grand Theft Ummagine
HatPC ---- > Hannah and the Pirate Caves
ICM ---- > Ice Cream Machine
IoM ---- > Invasion of Meridell
IQ ---- > Island Quiggle
ITTPD ---- > I Taunt The Pant Devil
LDP ---- > Lost Desert Plot
LTBL ---- > Looking To Be Lent
MR ---- > Mummy Ruki
MSPP ---- > Malevolent Sentient Poogle Plushie (TCG)
OG ---- > Orange Grundo
Quad ---- > Quadrupus
RoM ---- > Raiders of Maraqua
RR ---- > Revenge Rater
SB ---- > Snowbunny
SF ---- > Space Faerie
SuAP ---- > Super Attack Pea
YBIC ---- > Yes Boy Ice Cream
ZDAP ---- > Zafara Double Agent Plushie
TA ---- > Tiki Armour
UB ---- > Ultimate Bullseye
WaSM ---- > Whack a Staff Member
Games Related
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AC ---- > Altador Cup
AG ---- > Adventure Generator
BC ---- > Beauty Contest
BTY ---- > Better Than You
DoN ---- > Defenders of Neopia
LC ---- > Lenny Conundrum
NQ ---- > NeoQuest
NQ2 ---- > NeoQuest II
NQII ---- > NeoQuest II
RC ---- > Random Contest
WC ---- > World Challenge
WoE ---- > Wheel of Excitement
WoK ---- > Wheel of Knowledge
WoM ---- > Wheel of Mediocrity
WoM ---- > Wheel of Misfortune
WoM ---- > Wheel of Monotony
Neopian Pound
(you need an account to see links)
Below you can see a table of the most commonly used on the Neopian Pound boards.
BD ---- > Battledome Pet
BN ---- > Badly-Named
DN ---- > Decently-Named
Lab Rat ---- > pets that have gained their stats via the lab ray
NTY ---- > No Thank You
RB ---- > Royalboy
RG ---- > Royalgirl
RW ---- > Real Word (Named)
UC ---- > Unconverted
UFA ---- > Up for Adoption
UFT ---- > Up for Trade
VWN ---- > Very Well-named
WN ---- > Well-Named
Cheat related
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(For those who are not awake enough, thats the trophy for the game "cheat" on Neo)
Below you can see a table of the most commonly used abbreviations that have something to do with cheating, and often seen on Clraik?
AA(er) ---- > Auto-Adopter
AB(er) ---- > Auto-Buyer
APer ---- > Auto Player
CG(er) ---- > Cookie Grabber
Duped ---- > Duplicated
FLP ---- > Fake Login Page
GM ---- > Grease Monkey
Shell ---- > Empty Account
clraik Abreviations
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Last one but not least, clraik Abreviations. These were taken from the previous outdated guide. Some of them may have already been included on any of the above categories
CK ---- > clraik (the name of this site)
AB ---- > Autobuy
AoB ---- > Array of Bytes ((you need an account to see links))
HB ---- > Highest Bid
SSer ---- > Score Sender
ABer ---- > Auto Buyer
AFer ---- > Auto Feeder
Prog ---- > Program
AAer ---- > Auto Adopter
APer ---- > Auto Player
GM ---- > Grease Monkey
PM ---- > Private Message
VM ---- > Visitor Message
QS ---- > Quicksell/Quicksale
Rep ---- > Reputation
[S] ---- > Selling
[B] ---- > Buying
CGer ---- > Cookie Grabber
Shell ---- > Empty Account
FLP ---- > Fake Login Page
MM ---- > Middle Man
PC ---- > Price Check
PBM ---- > Permanently or Previously Banned Member
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