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3.
somewhat obscure slang that refers to a girl being pregnant
"Bobby gave Susan a crescent moon, and their parents going to force them to get married"
by Truthz Seeker April 26, 2010
 
1.
Having a dick which curves upward, towards the bellybutton, while erect.
"Dude, I took a picture of Jordan's crescent moon and put it on the school website."
by Anastasia Beaverhousin December 31, 2007
 
2.
the shape of an asian's eyes.
"Hey did you see that asian girl over there?"
"Ya man, she has some big ass crescent moons!"
by Colete April 23, 2010