Another term for the word "Gangster." To be only used in a jokingly matter. Never call a gangbanger a geezy.
Cool cat1: *laugh* Look at this, yo.
Cool cat2: Oooh sh*t. That's hella geezy.
Person: &then he said, "*Pulls down zipper and rips off jacket* YOU WANNA SEE ME, N*GGA?!"
Other person: Haha. That person is a geezy.