3 definitions by shyamieplaysguitar

When your girlfriend is severly lacking intelligence but the only reason your holding on to her is because she is hot.

guy: dude she doesnt get anything! I have to keep explaining jokes to her.

Friend: Dump her already!

guy: No effin way. she's derpalicious
by shyamieplaysguitar May 23, 2010
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Extremely loud repugnant fart with an offensive stench that one releases after digesting camel meat. Made worse when had with fava bean soup.
Eric: Lets go to Donna's house for dinner.
Paul: Uhmm I'd rather not. Her cooking gives me the Kuwaiti Kusu
by shyamieplaysguitar July 29, 2013
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Cause : An action performed that is bound to go wrong because it hasnt been thought out right by the derp

Effect: Extremely awkward situation.
John meets his girlfriend Jen and hugs her.
John: Hi baby! I missed you!
Jen: Babe i missed you too!
HUG
John's best friend Sam who is also around hugs them both and wants to say "group hug" but says "Threesome".

Jen: you just killed it .Killed it.
John(Dissappointed): derptastic dude.

Sam: Derpa derpa derp.Hurr
by shyamieplaysguitar May 23, 2010
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