A large slice of pizza similar to that seen in the opening scene of Ninja Turtles II: Secret of the Ooze at Ray's Pizza. Typically a Ninja Turtle slice would be at least 1/5 or 1/4 of the entire pizza.

A man with well defined, possibly protruding abs. Instead of a shell on his back, he has a "shell" on his stomach.

the act of busting a nut, blowing a load or skeet skeet skeeting on someones back and then slapping a pillow on that persons back making them look like a turtle skeet superman ninja turtleho

Sex with a backpack on.

Sexual intercourse while wearing backpacks.

a very small, almost non-existent penis resembling that of a ninja turtle action figure

Sex with back packs on.