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1.) When you flirt with a girl, but have absolutely no end-game
2.) When you spike your hair like Edward Cullen
3.) When you wear v-necks and flail your arms
4.) General unruliness

the present tense of the verb "coonce"
I was cooncing with this girl, needless to say, nothing happened.
by AvEsk September 28, 2010
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