pasting Share definition Flag Pasting is the act of rubbing tooth paste on one's nipples in order to get high, it is currently becoming very common in teenagers throughout the world. Billy: Hey man have you been pasting again? Bob: Hell yeah man, I got so fucking stoned. pasting by LeNewMeMe May 7, 2012 0 0 Get merch Get the pasting mug. Buy Now — $32.95 See more merch