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When and individual has been smoking and hasn't refreshed their breath in a while. Their breath is so rancid that every time they blow out smoke nobody wants to be around to smell it.
Guy 1: Can I have a smoke?
Guy 2: Sure *blows out smoke*
Guy 1: Ugh God, talk about a poison puff, brush your teeth bro.
by TallBlondie August 15, 2011