The name given to any man or woman whose crotch emits a stronger than socially-acceptable odor, even after a vigorous and thorough cleaning. The only logical conclusion would be that they are actively rotting.
"I was having sex last night with that guy I met last week and I discovered he has a zombie crotch! With every thrust a terrible blast of air slapped me in the face!"
by kenny rodgers November 25, 2013
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A sexually discomfiting prank whereby the actor, in the presence of several others in a confined area (such as an elevator), covers his crotch and proceeds to slowly and steadily approach the victim, impressing his pelvic region upon him, moaning and assuming the blank expression of the walking undead (i.e., a zombie).

The purpose of this is to annoy the victim while providing amusement for friends or bystanders within the confined area. If more than one person joins in on the proceedings, it becomes a crotch zombie swarm.

The purpose of covering the actual crotch with one's hands is to provide a physical bulwark of heterosexuality, or no homo.
Man, I crotch zombied Steve real bad in the elevator the other day.
by CrotchZombieCom January 7, 2007
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An inexplicable erection had by a dead corpse, perhaps as the result of expanding gasses created by the process of decomposition.
"Look Dad, a dead seal!"

"Yes, son. I know it's sad, but that's just how life is."

"What's that thing sticking out of it?"

"That's a crotch zombie. Look away, son. Look away."
by Olivonius June 8, 2006
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After a person is receives the crotchening three times, he becomes a crotch zombie. It's similar to a crotch mummy, only different.
I've already been kicked in the crotch once, two more crotchenings and I'm a crotch zombie.

see "The Crotchening"
by demyztikx March 5, 2008
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