Verb. The act of "doozin" (abbreveation of "dood cruzin") is when a homosexual male or group of males go out looking for another homosexual male or group of males. The words "dude" and "cruising" are changed to "dood" and "cruzin" to show homosexual intentions.
I'm about to put on my short shorts and tight purple shirt and go doozin at the gym.
I can't wait to go doozin in my new red convertible!