Top Definition
this word is an extremly bad insult or used correctly a really good complement.

its pronounced bas-toy-es
Alex: that party last night was awesome!!
Phoenix: yeah, it was proper fuckin' bastoise

Phoenix: Alex your a dickhead for stealin one of ma superkings boi.
Alex: ye fack off mace you fackin bastoise
by ehhhhh dickhead March 07, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×