A derpy vagina that during intercourse will have a muscle spas and suffocate the male genitalia it is usually very painful for both party's and can also result in a early mensturl cycle
Dude, yesterday I was banging Cindy and she had a derp twad and my dick hurt so bad and she bled on me!
by Footballnick77 June 25, 2014
Get the derp twad mug.A piece of protective head gear that police place on self destructive detainees to prevent self injury.
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Get the Derp mug.1)Some one who is a either a retard or stupid looking
2) Something random to say in a awkward situation
2) Something random to say in a awkward situation
Look at that guy being a derp.
That derp is giving me eye cancer from looking at him.
Person: I'm Bi
Person 2: DERP
That derp is giving me eye cancer from looking at him.
Person: I'm Bi
Person 2: DERP
by Moosic June 10, 2016
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