When you go bicycling on an uncomfortable bike seat and you get some swelling on your butt and perineum.
Santa Claus: Hey Jesus, want to go shoot some hoops?
Jesus: Sorry but I can't...I went bicycling yesterday and now I've got bike swelling.
Jesus: Sorry but I can't...I went bicycling yesterday and now I've got bike swelling.
by goldenchocolate January 5, 2010
Get the bike swellingmug.