roflcats 

a noun used to describe something that is stupidly funny, stupid humor. It is also a website with many pictures of cats.

Tom: Omg, did u see mike fart on the teacher?
Ralph: Yea, it was roflcats!

Drew: I went on roflcats.com last night
Peter: Those cats are funny!

roflcats by Mother Farger November 15, 2007

roflcaust 

like lollercaust but to the MAXorz

when you rofl so hard that you kill billions of peoples

Dustin: Lol i ate all the doughnuts.
Niko:Roflcaust

*boom* (billionz of ppl dieZ)

WTF IS EVERY1 LOL

roflcaust by Drew Peacocks May 24, 2006

roflcat 

a website that shows pictures of cats in strange poses that include a clever tag line.

bill: did you check out the new roflcat?
bob: no, how is it?
bill: amazing!

roflcat by alexthejew December 28, 2007

roflcas 

Rolling on the floor laughing, crying and screaming.

Sara and Maddy couldnt stop roflcas.

roflcas by laughingtillupeeyoself July 7, 2016

roflcaust 

roflcaust means you have to kill a lot of people becaus somebody made you laugh so hard(not really just a term)

my friend made me laugh so hard i roflcausted

roflcaust by Big-Mack August 3, 2008

roflcatz

Rolling on the catz.

I roflcatz Peter's cat, Smokey.

roflcatz by John Johnsons November 25, 2007

rofldatsun

when u rofl over a datsun

look that car is falling apart
it must be a datsun
roflDATSUN

rofldatsun by roflcarinfosdnvr890fer April 11, 2008