by redstoneromel September 30, 2012

by iBanged Zooey November 19, 2013

by Dalektic December 3, 2020

When you look at yourself in photographs and you are clearly drunk. Your 'drunk face' in photographs.
Blair: Meredith you are so derp in that picture. How drunk were you?
Meredith: That is a solid derp.
Meredith: That is a solid derp.
by Derped March 24, 2013

symptoms: retarded twisted facial expressions and outrageous nonsense coming out of you like word vomit
by hollmonster March 5, 2011

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!
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!
by hatederpingaround December 19, 2012

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.)
Player 2: Aaaahgh...
Player 1: DERP!
Player 2: Aaaahgh...
Player 1: DERP!
by cyomega April 14, 2004
