I don't think so biatch Share definition Flag adjective noun; a conversation ending phrase akin to "GI Joe" and "No soap, radio!" "Do you have to register?" "I don't think so biatch." I don't think so biatch by three newtons February 17, 2004 0 0 Get merch Get the I don't think so biatch mug. Buy Now — $32.95 See more merch