The bump that sticks out when you sit while wearing a zip-up sweatshirt.
...Everybody's got them, but nobody wants them...
...Everybody's got them, but nobody wants them...
I shouldn't have worn my new zip-up hoodie today. I had to hide my sweatshirt boner every time I sat down.
by CourtKase March 5, 2011
Get the Sweatshirt Bonermug.