When a guy gets raped by a hillbilly and the hillbilly makes him squeal like a pig during the ordeal.
Bobby got some piggy sex in the movie Deliverance. It was a good time that he'll never forget.
by anonymous 6812 June 07, 2009
Sex with an obese person.
Tom Arnold must have really liked piggy sex if he married Rosanne!
by lynn September 15, 2004