Top Definition
A word used to measure the minimum to maximum area a person can smile. Smilage is measured using the circumference of a smile
Ex1: Zakiyah increases Mike's smilage with everything she says.

Ex2: Yo you're maxing out my smilage right now.

Ex3: yo let me measure dat smilage.
by Mike "The Bat" Zino June 20, 2010

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