those flakes that are forgotten by the toilet paper and they itch (Poor Hygiene) Morbidly obese people are prone to this (they cant reach)
Logan's nurse came over to give him his sponge bath and exclaimed "You've done it again Logan You've left me a crusty surprise!"
by Flying dutchman July 02, 2015

John; Did you hook up with that chick last night?
Dave; yeah man, I blew my load right in her face, and gave her a Crusty Ray Charles.
Dave; yeah man, I blew my load right in her face, and gave her a Crusty Ray Charles.
by Fishlipss May 11, 2014

Me: Bro, I just saw the lunch lady picking her butt like ten seconds before she fixed you your plate.
Friend: "Seriously? That's crusty!"
Friend: "Seriously? That's crusty!"
by Squidward's little brother December 03, 2016

by scabbylips December 15, 2015

by pimpingpartypalace August 20, 2012

Using a stuffed pizza crust as a condom while engaging in anal sex, where the receiving partner eats the crust after the act.
"Yeah it was just a one-night kinda thing so I gave her a Crusty Gordon and jumped out the window. Not expecting a call-back or anything."
by Anal Satan June 17, 2025

by tequilababy August 05, 2020
