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

by Sherpadurpppay May 10, 2010

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
