When someone shaves their pubes and a stubble grows back.
These crotch sprinkles are so itchy, they're killing me!
Someone or something that smells really bad.
When was the last time you bathed? You stink like a vulture's crotch!
The condition of one's "crotchal" area after a significant amount of time camping without showering.
Shew! After 7 days camping in the backcountry, I have serious camp crotch!
Those twisty ass positions a pet cat or dog does to clean its junk/taint/asshole.
Goddamnit, Fluffy is doing Crotch Yoga on the dinner table again!
The Tingly sensation you get when someone says something dirty to you.
When Nelson said he would frisk me I got major crotch tingles.
The crystalline film that forms about the groin and genitals of a person who eats too many Nacho Flavoured Doritos. May be less pronounced in those who prefer "Cool Ranch" variety.
Dude: "Did you figure out what was causing the orange, greasy stains in your gonch?
Bro: "According to WebMD it's gotta be Dorito Crotch."
Dude: "Whoa!"
Bro: "Yeah, I think it will get better if I switch to Cool Ranch."
Dude: "Or get someone to lick it off"
highfives
Public lice are usually referred to as Crabs. They are small parasites that resemble Sébastien from the Little Mermaid. There's no known cure for them.
Did you hear that Rebecca has Crotch Crickets again? I think I heard the song Under the Sea coming from her front underwear.