Top Definition
The awkward lump formed by a zippered sweatshirt when you sit down. Can be at chest area forming a uni-boob. Can also be at crotch area forming a regular boner on a male and a lady boner on a female.
"Stupid sweatshirt is giving me a stomach boner!"
"If you unzip it halfway then it'll go away."
"Well now I have a lady boner."
"Better than a uni-boob!"
by alicejin88 November 13, 2011

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