It means when someone is a bitch or is acting crusty
Damn he's a crusty goat
A "crusty rudder," not to be confused with a Dutch rudder, describes the sexual act of a male squatting on a female and farting with enough force to produce an audible sound and send tremors through the female's face. In most cases the female contracts conjunctivitis.
Pharmasist: "Kirsten, how may I help you?"
Kirsten: "I need antibiotics for my conjunctivitis."
Pharmasist: "Oh dear! How did this happen, again!?"
Kirsten: "You know how Chris likes those crusty rudder sessions..."
A long lost tissue or any tissue-like object used for sanitizing male genitalia after ejaculating
Davon cleaned his whole room after discovering that his mom plans to clean the whole house. He was aware that crusty nuts might be discovered in the process.
when you get your nips pierced and they start to crust over with scabs and look minging , normally girls called Jessica frankland have this problem.
Rebecca: hey girl why do you have your hands down your top?
Jess: oh I have crusty nips so I pick them so they aren't scabby anymore
When your best boy pisses you off so you go into his room when he's not home and you nut all his tube socks so they form a white crusty nasty looking ass sleeve that can't Flex for nothing so he can't wear them looking like drywall looking asses
"Boy, you pissed me the fuck off you better not leave your house or I'm going to give you some crusty sleeves."
A Crusty Maria is a sexual act in which a man, firstly eats out an old vagina with a yeast infection and then kisses the girl thus transferring the 'crust'. Then the girl will give the man a blowjob, giving him that crust.
I was real hungry and horny so I asked her for a crusty maria.
When you go to a girl's childhood home, beat off in her room, and cum in her old teddy bear.
I snuck into Becky's parents' house and gave her a crusty ewok because she pissed me off