1. Normally for those who are witless or stupid.
2. To be scared and coughing at the same time.
A1: "Wow. This dude was derping a ton during his jog!"
B1: "I'm pretty sure that's asthma."

A2: "Wow. This dude was derping a ton during his jog!"
B2: "I'm pretty sure he was an idiot."
by mmmmmmmmmmmmmmmmmh December 3, 2020
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The state of being scared and coughing simultaneously.
*is frightened by something while beginning to cough*
"oh, I'm derping! This is awful!"

"kevin derped"

"i think Jim is having a derp fit, let's go check on him"

"Turg often scares himself with his coughs, he's a real derper.(possible, but not commonly used)"
by Grognak The Destroyer December 4, 2020
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1) To have the desire to doink someone or to want to consummate.

2) A casual expression used to describe sexual gratification or excitement.
"Look at that fine looking lady! Be-derp, be-derp!"

"I know what you mean. Be-derp! Be-derp!"

"Be-derp! Be-derp!"
by Grand Masta E October 29, 2007
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1) A loud interjection used to express a sensual desire

2) The mating-call of a boorish, brobdingnagian Asian in hot pursuit of a harlot.
Person 1: "BE-DERP! BE-DERP! YAAA BOI!!!"
Person 2: Oh man, there must be an Asian home with a vistor.
by sKiTtleZ-TastingDeRainbow January 1, 2008
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Derp is an expression associated with stupidity, much like the earlier forms of interjections like “duh” and “dur.” In image macros, the subject is typically portrayed with eyes that are pointed to each side and a caption that reads “DERP.” The words “herp” and “derp” are often used in rage comics to replace nondescript names or parts of conversation. The first known instance of the word “derp” comes from the 1998 comedy film Baseketball by South Park creators Trey Parker and Matt Stone. During a scene where they are caught smelling underwear taken from a woman’s private drawer, Matt runs out of the room and says “Derp.”
after an epic fail the person who failed said he derped
by GamingOshawott November 28, 2015
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When you're herping the derp by derp derping around. Usually done on the internet.
Person 1: Why didn't you answer my call?

Person 2: oh sorry i was busy derping around.
by Bobby Boosha January 12, 2011
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"Is 'derping' still being used? Do people even say that or is my boomer showing? If its not being used, could I change its meaning to 'scared and coughing?'"- CallMeKevin 2020
by Jim Pickens's victom December 3, 2020
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