In Colombia is usually used to men who beats up women.

Mas que todo en Colombia es usado para aquellos hombres que golpean mujeres.
Ese hijueputa guache golpio a mi hija ayer.

That mother fucker guache beat up my daughter yesterday.
by Johnny Saldarriaga March 19, 2008
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To blow on the clitoris, making a rasberry sound.
I guached Jess last night she moaned all the way through it
by AdvarkMarkFromTheLandOfDark April 28, 2006
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