look up any word, like blumpkin:
 
1.
The act of grabbing the base of a penis and pushing all the blood to the head in order to make it up to 3 times as hard and almost make it "pop"
dude my girlfriend gave me a blowjob while she was cockpoping me.
by the only real ninja here December 21, 2009
 
2.
A dance move that resembles the popping of color but centrally focused on the loose fitting male shorts around the genital region
Dam that girls wasted, whatch me "cock pop" her on the dance floor. I may make her spring break girlfriend
by Mateogstring March 20, 2010