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a homemade pipe made from a plastic bottle and tin foil (which is used for the bowl). Used by high school kids when they can't get to papers, bongs, or pipes.
"Hey, lets hit that bipe before we go to Liz's party!"
by Bipe Guy May 01, 2008
Bipes is the action of suffering from major mood swings in a bipolar fashion usually associated with severe weirdness/idiocy.
His bipes are flaring up.

He's having a major bipes episode.

He's biping all over the place.
by John Johnners December 10, 2013