when a catapillar likes to move it's spikes along a man's genital area.
and the man gets erect when the catapillar is still on the gentile area.
person 1; hey dude, im a cool guy like you. i suggest you have a catapillar blowjob before you end up with a penis like this guy..
by shakirashanequabigtits February 28, 2012
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