When a girl always thinks the guy she's with is 'the one', and when they break up she cries about it for a week rebounds to another guy a day after. if a girl is man crazy she isnt without a male companion for long.
Dave: I saw Sarah with ANOTHER guy

Bill: dude that hoe is man crazy
by McButterMilkBiscuit October 24, 2017
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when a guy is or turns gay
after dena dumped gil, he started to be man crazy
by pimp daddy dollars August 17, 2004
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A person that posts the word slut on urbandictionary about their "friend"
***** is a crazy man.!!!
by Habibalu December 2, 2003
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It means "I like you." From the movie Old School. When said in slow motion, it means "I really like you."
After getting shot in the jugular with a tranquilizer missile, Fundo said, "You're crazy, man!!" to everyone he met.
by authOOr June 26, 2006
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when somebody does something that you can't describe how dumb or crazy or good it is.
*Quandavius breaks a window*

Dingleton: oh my balls
Lord Balsackios: nah man thats crazy
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when somebody does something that you can't describe how dumb or crazy or good it is.
*Quandavius breaks a window*

Dingleton: oh my balls
Lord Balsackios: nah man thats crazy
Get the nah man thats crazy mug.