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1 definition by sclurba

a reliable and easy ratio used to measure a man's hottnes based on his ability to clench his jaw. the more a man clenches his jaw before he's about to kiss a girl, the hotter he is. this can be seen in the movie "step up."
"oh wow, this guy's clench factor definitely makes him worthy for me"
by sclurba August 22, 2006