mainly for men. when you have a boner, you know its hard to take a piss in the toilet so you "leak the lemon" in the bath tub. if you tub piss don't forget to wash it down after you grody asswholes.
Hans- Hey i gotta pee, i'll be right back.
Kith- Your gonna miss cuz u have a boner.
Hans- true, i'll just tub piss.
Kith- o yaaa totally forgot bout that.
by white venom May 30, 2011
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