That tight, pained smile resulting from a budget face lift. Usually apparent on past-their-prime female celebs, ie. Joan Rivers
Who has a bigger perma-grin Mary Tyler Moore or Carol Burnett?
by Dan Voit April 18, 2003
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When you smoke some really good medical cannabis and get aroused.
I smoked some really good medical cannabis and she turned me on so I had a Perma-Grin Salute.
by Lrac Regnalob April 28, 2011
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