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Snh snh snh guillermo is a secret code for a guy to tell a girl she smells like a stinky vagina, or has one. The girl doesn't know what it means so it won't sound rude. No guy is aloud to tell any girl what it means. The guy goes up behind the girl and sniffs in her ear 3 times before saying guillermo (gee-air-moe). roll your tongue on the R in guillermo.
Boy to girl
Boy: Snh Snh Snh Guillermo
Girl: Huh Wtf???
Boy: (ha ha ha she doesn't know at i'm talking about)
by snhsnh February 23, 2009
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