1 definition by Pop-it-chini

an acronym for "silent but horny"
this describes girls (or guys) that seem really shy, sweet, and innocent, but in reality, they are the horniest people of all.
Boy 1: I met this girl, Natalie, in my spanish class and she is so shy. She never talks at all.

Boy 2: Oh, I know her. She's quiet, but she's an sbh, no doubt.
by Pop-it-chini June 15, 2010
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