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1.
A word used to describe people who flirt while they smoke outside their office buildings or pubs.
God that hot chick is such a smirt, I wish I smoked.
by Jack Denny October 01, 2006
 
2.
a person who looks dorkish ; someone who lacks charisma, funny looking ; strange looking
Person 1: *in disgust* Look at the way he dresses!!
Person 2: He is SUCH a smirt...
by Marcus A. February 25, 2005