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
Get the guach mug.
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
Get the Guache mug.