Ostomy sex. The act of putting a penis into an ostomy site, be it a colostomy, ileostomy, etc., for intercourse. Popular among prisoners as a means to get cigarettes or pay off debts.
You didn't know Gilman was into Philly sidecars? Where do you think he picked up smoking?
by uptodate April 30, 2008
the act of inserting your penis into someone's colostomy hole
I couldn't believe Dr Jones did a philly sidecar on that poor patient!!
by JBZ73 August 05, 2005