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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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A bad joke you told that you just can't stop laughing about. You find yourself grinning over your own witty banter long after everyone else ceased politely laughing at the joke.

The joke can often otherwise be characterized as a dad joke, pun or weird inside joke.
That joke I told Cindy about 'tearable puns' sure gave me a lot of smilage.
by sublingual September 22, 2016
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