A symptom found in gamers that causes them to exhibit - often times retarded - and pointless ignorance or devoid awareness of anything that regards intelligent thinking.
Primer has a serious case of the derps.

Or simply imagine somebody being as close to legally considered mentally handicapped without actually being quite there.
by Str8 Derpin' April 4, 2011
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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 30, 2007
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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 13, 2011
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when someone does something stupid, weird,"special", odd,
Making a weird face is an example of a derp. (izzy)
by nollidecyrb January 17, 2012
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1) The sound of a Brain-fart, usually when a fairly smart person says something that's rather silly by accident or the wrong word or can't think of what to say.

2) Breaking something or crashing into something due to thinking too much.

3) Being silly and not caring what other people think of you. See dork
"It'd work better if you used contrasting colors. No, not contrasting -- Contrasting. Not contrasting! You should use contrast-gah! Do you know what I'm trying to say?"
"Complimentary?"
"Derp! YES! THANK YOU!"

"Did you hear the professor walked into a wall today while working on his latest thesis?"
"Ha! No I didn't. He's such a derp"
by mindthederpface March 28, 2013
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A simple, undefined reply when an ignorant comment or action is made. Brought to life in the South Park series, when Mr. Derp made a guest apperance at South Park Elementary as the chef for a day, followed by hitting himself in the head with a hammer and exclaiming "Derp!"
I am t0tally c00l3r than 7u n00bs.

Derp.
by crunk nigga holla October 11, 2005
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a phrase used when someone makes a mistake, or says or does something stupid or ridiculous.
shannon: i wonder what frozen ice cream tastes like... ?

peta: derp
by A+inprocrastination June 7, 2011
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