con-boner Share definition Flag As the opposite of pro-boner, con-boner can mean uncool, stupid, lame, ect. "Dude this party is so con-boner" "You are so con-boner" con-boner by Roxas/Misa August 10, 2009 0 0 Get merch Get the con-boner mug. Buy Now — $32.95 See more merch
