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Verb. meaning to Walk Tall and Smile Big much like the Ghostbuster's Stay Puft Marshmallow man! A way of encouraging others to be positive about a bad situation.
Dude! I know your girl left you, but you have to stay puft, and move on!
by LiL.Blue June 22, 2009
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  • staypuft.se
  • staypuft.org
  • staypuft.men