Supposedly if a love interest smiles at you for seven seconds or more at one time they are interested | Also a song by a local band ska/punk band who's name changes frequently currently "Dazed"
Jane: *smile*
John: *stare*
Jack: 5, 6, 7. Alright John seven second smile go get her bro.
by hunter mil March 27, 2008
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The wrinkle on someone's cheeks when they smile only if it's in the shape of a smile.
"She got so much extra skin, girl gotta second smile."
by Failed Dictionary July 7, 2016
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