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LMAOROTFBTCSTCNDBFOOTWIFOAGWLLBGWTHROOTSAIAKBAYB 

One of the longest internet acronyms, LMAOROTFBTCSTCNDBFOOTWIFOAGWLLBGWTHROOTSAIAKBAYB, stands for "Laughing My Ass Off Rolling On The Floor, Biting The Carpet, Scaring The Cat, Nearly Dying By Falling Out Of The Window In Front Of A Guy Who Looks Like Bill Gates, Who Then Horrified, Runs Out On The Street And Is Accidentally Killed By A Yellow Bulldozer".

To be used when something is INCREDIBLY funny. Should not be used unless you are ACTUALLY laughing.
Person 1: " .. and that's when the banker said 'That's not the golfer! That's my wife!' "
Person 2: "LMAOROTFBTCSTCNDBFOOTWIFOAGWLLBGWTHROOTSAIAKBAYB."
Related Words
lmao LMFAO LMS lml LMSO lmbo lmno lmTo lmnop LMF
lmgtfy = (abbreviation) let me google that for you

www.lmgtfy.com lets you google for someone else. So for example, instead of answering a question, you get to be a smartass and answer it through Google!
#1: What is Urban Dictionary?
#2: http://lmgtfy.com/?q=urban+dictionary
lmgtfy by qyng April 4, 2009

Browse A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # new Categories 🎓 College 🚬 Drugs 🍰 Food 💬 Internet 🎧 Music 🙋🏽 Name 🙏 Religion 🍆 Sex ⚽️ Sports 📈 Work Store Blog 

Basically the thing that comes out whenever you copy and paste the upper tab of the Urban Dictionary site.
Urban Dictionary
Browse A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # new Categories 🎓 College 🚬 Drugs 🍰 Food 💬 Internet 🎧 Music 🙋🏽 Name 🙏 Religion 🍆 Sex ⚽️ Sports 📈 Work Store Blog

Lmaocoaster 

The act of laughing your ass off in such a tremendous manner that you suddenly find yourself riding the coaster of lmao.
Person 1: -roflcopter worthy joke-

Person 2: Hahahahaha, I just took a ride on the lmaocoaster.
Lmaocoaster by DoItForTheLolz January 17, 2011
Texting abbreviation for "Let Me Suck Your Dick." Used by thots who want the succ bad.
Thot: Hey baby LMSYD
Dude: Nah bitch you nasty
LMSYD by ur mum ho February 14, 2019
A laugh so powerful that it's basically saying that you laughed your ass that was fucking so much that your ass literally fell off.
Guy 1: Yo look at this meme!
Guy 2: LMFAOOOOOOOOOOOOOOOOO
Guy 1: Uhhhmmm.. yeah that was funny and all but why are there literally 2 giant pair of cheeks rolling across the floor now..?
LMFAO by warp_d June 25, 2022