1 definition by Mortical Zombie

The art of shitting in as big a surface area as possible, smearing your hands in it and making a wonderful mural on the closest wall.

A combination of "tattoo" and "poo", it can also be used to mean the consumption of the turd.
"Oh my God, did you see the tapoo your toddler's just done? It's like a fucking Picasso!"

"Jesus, she has the tapoo in her teeth"
by Mortical Zombie November 17, 2011
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