When you're banging a girl, and she's fake moaning so badly it sounds like a dude playing the bag pipes.
by misfit December 7, 2003

Where the man puts his penis in a girls armpit, whereupon she proceeds to lift her arm up and down, like she is playing the bagpipes. This act is known as Bag-piping.
by GaryB123 November 27, 2006

by Anonymous October 28, 2003

by Keanu Reeves May 6, 2005

by CableBob October 22, 2008

by Jr0ckk February 6, 2020

by mug z July 9, 2012
