When a female wears a low top and shows her cleavage, a.k.a her drain pipe.
Check out her drain pipe!
Large type of muffler
and/or exhaust system piping for a car. Usually 2.5" - 3" exhausts are regarded as drainpipe.
Check the drainpipe on that Skyline
What you call someone of they are a complete chancer.
Your're a drainpipe
Ridiculously thin/skinny jeans worn by various scenesters, emo kids, and indie types, which make a person look completely out of porportion. Usually paired with a studded belt, a pretentious a-symetrical haircut, and a gaze of apathetic angst on the face of the wearer.
Unfortunately due to the logistics of finding jeans to fit so tightly, this trend often results in low sitting jeans which have a particularly ill fit around the bum, appearing as though one might be carrying a shite around in their pants.
person 1: Kate Moss looks hot in those drainpipes
person 2: too bad everyone else wearing them looks like a fashion victim
tight jeans worn by emo's or wannabemo's who wear bootcut jeans and say omg look at my new drainpipes...
omg he looks so bad, short people don't suit drainpipes.