Roflbacker 

Either someone who makes you laugh, someone who is the bomb, or if used sarcasicly,a massive tool usually on xbox live.

1. Tim: Did you hear Toms dirty joke?

Pat: Yeah, what a roflbacker.
2. Jim: 15 killstreak!

Hornito: Dude you are a roflbacker.
3. (Jhonny get spawn killed) Wow you would spawn kill me, what a roflbacker

Roflbacker by serigka'rfgm]efgdfgafgaersdfas June 3, 2010

roflbashers 

The hilarity of the ensuing permastun pwnage upon obtaining two sets of Cranium Bashers on heroes such as Troll Warlord and Mortred in the online game DotA.

Player 1: FFS dude, you just wiped out our whole team!
Player 2: roflbashers!

roflbashers by theguvnr March 30, 2009

roflcrackers 

Even more awesome than lolsauce, normally combined with lolsauce to indicate unstoppable awesomeness

That was so awesome I need to put some lolsauce on my roflcrackers

roflcrackers by The roflcracker February 4, 2009

roflmaker 

Someone who makes other rofl

<noob> Lol your so fat!
<L33T> rofl, you'are a real roflmaker!
<noob> Lol thanks!

roflmaker by Rofl-maker June 9, 2011

roflganker

Someone who steals all your jokes.
Person who takes your joke and claims it as their own.

Don stole my joke, what a roflganker!

roflganker by Cheesoid March 14, 2009