Is when someone smiles at you and you cant help but smile back.
Me:Everytime you smile it makes me smile.
You:*Blush*
Me:Its really cute you have a contagious smile
by PopcornBuddy September 14, 2011
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A euphemism for "herpes" in personal ads.
I have herpes, so I only look for personal ads that say "contagious smile".
by FredDill August 11, 2010
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a group of extremely worrying people
Man: hey how do u feel about people in the discord group chat eden has a contagious smile

Man 2: disgusting, repulsive, worrying
by PissterInTheCup August 14, 2021
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