As used to describe a person who acts like, well....like a Dumb Egotistical Retrograde Prick. Give 'em a hammer. They'll do the rest.
by mtnmedic January 8, 2014

by Niamhwaite December 3, 2020

1. Kevin was derping while playing a game
by Little Kevi god rest his soul December 4, 2020

Person A: Don't make me derp
Person B: What do you mean
Person A: Just start violently coughing at you. Derping
Person B: What do you mean
Person A: Just start violently coughing at you. Derping
by Dissentrix December 3, 2020

by Kn1fewound January 26, 2021

"I was mid-cough when the character scared me; really had me derping."
"Don't watch scary movies while sick or you might end up derping."
"Don't watch scary movies while sick or you might end up derping."
by SynSay December 3, 2020
