Derived from an ultrablunt, an ultrablunt becomes a Gangstablunt when the participants smoking it decide that they are smoking some "gangsta" shit. This is usually followed by numerous gangsta related comments or jokes.

T- Dude we're not even smoking an ultrablunt anymore, this is some gangsta shit right here.

L- This right here is gangstablunt! Makes you wanna just walk down the street and cap kids SON. Be like, I don't even KNOW you, BAM.
by Wild Thornberry February 21, 2009
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