Top definition
A dandelion that has landed on the crotch of an unsuspecting victim (naturally or unnaturally) who, needless to say, looks ridiculous and sometimes festive.

Crotch lions generally have a negative connotation and can be quite embarrassing.
What were you doing while I was asleep? Why do I have so many crotch lions!?

Why didn't you tell me I had crotch lions? I hope no one saw them.

Dude, I totally just crotch lioned you!
by nosiven May 07, 2008
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