the act of or participating in or being a tum tum. The origins of this name are uncertain however it is known that this is the progression of a name started in 2005: "Tum Tum". AG started Tum Tweezy.
Generic white round Percocet with 512 imprint containing 325mg of Acetaminophen and 5mgs of Oxycodone. Usually abused to get high and legally obtainable. (Easy high dependency.)