Top definition
a disgusting mix of water and pepsi that tastes just a little like piss
Guy 1: Ew dude what is this
Guy 2: its watsi
Guy 1: Ugh it tastes like fuckin piss
by buLLetZ ll September 29, 2010
Get a watsi mug for your daughter Yasemin.
Apr 28 Word of the Day
Literally everyone, ever. Including the writer of this definition.
by masokitsune January 17, 2019
Get a stupid people mug for your boyfriend José.