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1.
Another word for the sexiest part of a woman's body, her poon and/or vagina.
This word originates from the word chacha, which in spanish means girl.
Can also be used to offend someone who is being a wimp or pansy.
"Yo guy, that girl has a FINE poochacha!"

"Why are you being such a poochacha?"
by Don Juan April 02, 2005