When you stick your finger up her butt, and reach around and give her a Mexican moustache.
Pedro stuck his finger in Marisol's butt, reached around and gave her a Dirty Juanita.
by Drewby888 July 2, 2006
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When you take a girl in the shower and you lather up her tits and then you knock her out with a crowbar. You give her a dirty sanchez and leave her out on the front lawn.
As I walked by my neighbors house I saw his girlfriend passed out on the lawn with a dirty sanchez and realized that her boyfriend had given her a dirty juanita.
by grundel octavio September 13, 2007
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