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!
Something that is pleasing in a greatly amusing manner. Derives from the word fantastic, meaning fantasy-like, only to exist in dreams or the imagination, and the accronym ROFL, which stands for Rolling On the Floor Laughing.
person 1: Say, Pete, did you see that there's a banana hammock sale going on at the Salvation Army?
person 2: Rofltastic!
person 1: That n00b Olly went out with a transvestite he met online!
person 2: Rofltastic!