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The picture you paint with urine while peeing in public.
Mohammad was wasted, but you gotta respect the murinal of the Mona Pissa he left on the wall outside.
by Silver Cow March 16, 2019
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A mural or painting on a toilet or toilet block. Public toilets are often painted with a picture depicting the area and its history or to brighten them up.
I like that painting on those public toilets, it is a really nice Murinal.
by sirons12 July 31, 2012
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