Clothes Boner Share definition Flag When your jacket, shirt or pants form a lump resembling an erection. Dude, what the hell is THAT? I thought you were a girl! Girl: Umm, yeah. It's just a clothes boner. Clothes Boner by ankvnoat752 February 21, 2010 0 0 Get merch Get the Clothes Boner mug. Buy Now — $32.95 See more merch