Yellup is a popular term used and created by adolescent boys who are bicurious about their sexuality. Yellup is a secret term that means "Im gay and Id much rather sodomize my other male friends than do what you are telling me to do" or "All i care about is tight buttholes"
A snow condition usually found on the East Coast, NJ in particular, where the snow gets so hard that if shot with a gun the bullet would most likely bounce back at you. It is extremely difficult to hold an edge or even walk on.
antonym: powder
Get thechainsaw and jackhammer so we can make a jump out of the bulletproof.