When someone is passed out at a party and you jizz onto one or both of their eyebrows. The jizz is dry and hardened when they awaken.
Trisha passed out at byrds last night and i blew on her eyebrows man. When she woke up she was pissed, looked like she had two crusty caterpillars on her forehead.
by jertel February 15, 2015

Derived from the standard Harnish, a crusty Harnish is when someone with a moustache is fapping so fervently that he spunks so hard it splooshes into his moustache. In the heat of the fap session the jizz goes unnoticed for the rest of the night until his mother tucks him into bed with a kiss.
by ScummyHarnish May 25, 2016

by Surgicalsteve November 11, 2016

by mitch00uk March 27, 2015

during a football game, the act of taking a chunk of mud, prefferably wet nasty funky mud, and throwing it into an opponents pants, ideally in the asscrack vicinity. Originiated in Viriginia Beach, but made famous in the movie "Leatherheads"
by King o' crusty bobbin... May 4, 2008

Wearing pants for days repeatedly without underwear and throwing them in with the rest of the washing load, as if no one will notice.
by Quellio August 28, 2006

A white sock extracted from an adolescent boy's dresser to indulge the young lad's fantasy of having his meat in a sleeve during a spanking session and having that sleeve double as a receptacle and wipe at the end of the spank.
Often used over and over and carefully stashed for privacy, the Crusty Sock crystallizes over time and literally "stands on its own." It is typically at this point that a new Sock is put into commission and the old one is retired.
"
Often used over and over and carefully stashed for privacy, the Crusty Sock crystallizes over time and literally "stands on its own." It is typically at this point that a new Sock is put into commission and the old one is retired.
"
Once Mom and Dad fell asleep, young Micah pulled out his stack of Porno Mags and spanked his monkey, cleverly containing the evidence within the confines of his trusty, Crusty Sock.
by Alfsonso Muzan November 12, 2010
