1 definition by Pete Lee

when a guy pisses on the rim bowl of the toilet (the white space just above the water) so that it won't make a splashing noise while your peeing.

(a guy thing... i hope)
"It was like 3 in the morning and i didn't wanna wake up my parents so i just took a quick ninja piss"
by Pete Lee September 11, 2006
Get the Ninja Piss mug.