Top Definition
sex-o-meter is a system used by guys to determine whether not a female is worthy of mating with. This word comes from the same roots as the word bangable, but is not to that extent it can be used purely as the name suggests to communicate how sexy a women is to your fellow peers.
Damb, she just scored a 9.5 on my sexometer.
by Thedarknesshascome June 03, 2009
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