A word used by a narrator who doesn't want to show /don't remember the identity of a character fom the story that he tells...The word was created and used frequently by 9gagers...users of 9gag.com for shorter and funnier storyes
"So i was with my friend Derp at this super coolclub and there were so much cool people derping around.."
Person A: .......
Person B: HEY!
Person A:......
Person B: HEY ARE YOU LISTENING TO ME!?
Person A: Huh!? What!?
Person B: HOLY FUCK YOU ARE SUCH A DERP!
A word uttered when performing a particularly easy frag in a multiplayer combat game such as halo or unreal tournament.
(Player 1 spots player 2 trying to hide under a set of stairs, facing east. Player 1 approaches from the west and pops player 2's melon with a particularly high-powered weapon.)
a word used at the end of almost every sentence by anyone with a song in their heart. can also be used to express almost any feeling imaginable, so people can read your minds easily.
Fear- "Oh no! a hungry pack of flaming aligators!DERP!"
Surprise- "Ninja stars were just teleported into my intestines!DERP!"
Recovery from bad joke- "So he said 'what wife!'......a-DERP!" (rolling laughter)