Definitions by AyePal

Spiderman 

When semen hangs from the penis in such a way that it droops down and attaches itself to the inside of the leg.

Mostly occurs while urinating after sex or masturbation.

Jon - "Oh man, my dick totally did a spiderman last night"

Joe - "Shit dude, spidermans suck..."

Spiderman by AyePal December 12, 2013