Top Definition
A feeling usually experienced by thirteen year old boys when bumping into or brushing past a person of the opposite sex. The pent-up sexual tension causes a sudden pulse to the cock, occasionally resulting in an awkward boner.
Tom: Yo Jon, when Jenny bumped past me in the hall, I totally felt a Cockpulse. I couldn't stand up during my entire next class!
by Walrus Sack September 23, 2009
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