I-pee Share definition Flag when a mle is listening to his ipod and he accidently pees on the headphone wires. "dude i was listening to sabotage and i accidently peed on my wire!" oohh u busted an I-pee I-pee by worldwar4X4 February 13, 2008 0 0 Get merch Get the I-pee mug. Buy Now — $32.95 See more merch