Top Definition
to have hot dirty sex with an undocumented alien, usually from the Latin America region
Hola bonita. Want to chaca chaca tonight?
by theoriginaljdog October 24, 2008
2 more definitions
Mexican slang term for sex.

Source: An Actual Mexican
Guy: * Sees hot babe* " Hey baby! Chaca chaca? "
by Tim-Tim_Da_Lax_Bro December 01, 2013
Jerking off.
No mas chaca chaca...
by amazingone June 24, 2009

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