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A measurement of one's utilized level of sass. A scale of 1-10 is usually employed, although numbers outside of the scale can be used for emphasis
Homie 1: Well your sister is pretty fat, too!
Homie 2: Level 10 on the sass-o-meter!

Homegirl 1: Get in the car!
Homegirl 2: Tone down the sass doe! You're off the charts on the sass-o-meter!
by okayyyycb3 March 16, 2011
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