1) When someone gets excited playing a card game (ie Monopoly Deal) and spills food on themselves.
Dammit, you spilled food again! What a Derp Mah
The art of dropping something you shouldn't have been holding in the first place.
"don't twiddle-derp the punch bowl, Steven, you're quite drunk."
Slurp or derp is commonly referred to as the opposite of split or swallow, commonly referred to in the lesbian community. Slurp is to swallow as derp is to spitting.
Does your girl slurp or derp?
A male that has sex with a female and to get her pregnant and proceeds to never see her again.
derp man elite was never seen by her again.
To be scared and cough at the same time
"Kevin almost died, he started to derp so hard."
used as a substitute for speech regarded as meaningless or stupid, or to comment on a foolish or stupid action.
Lower tax rates and far lower job creation. Derp