When a man ejaculates into his hand and then proceeds to "sling" the seminal fluid at a girl's face in a manner much like the Amazing Spider-man.
by Ross Johnson March 02, 2006
by William Mith April 01, 2005
A sexual act; the act of ejaculation through self-flagellation onto one's own hand, tossing the ejaculate into the face of a sexual partner with a swift, comical motion.
Seamus' girl Brooke had the pink eye for a solid week, and everyone knew it was because of his webslinging fetish.
by Jacob Voelzke November 02, 2007