1 definition by shadesxofxdoubt

Top Definition
your "pot head best friend"
a phbf is someone you smoke a lot of weed with, spend 4/20 with, and chill at steak n shake with - and that someone happens to be your best friend : )
#alex #alexia #pot #weed #best friend #4 20
by shadesxofxdoubt May 24, 2007
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