A close bro that will just bail out of anything at any given moment. Usually bailing on a bro night without the decency to hit up said bros and give them a heads up. Will some times bail to hang out with dime piece or other erroneous reasons.
can be closely related to a dippopotamus.
Bro 1: Yo where's Timmy at? Thought he was hitting up late night apps with us!
Bro 2: Ah haven't heard from him in a couple hours.
Bro: Dude he is such a bailosaurus.
Guy 1: Johnny, you still going out with us tonight?
Guy 2: Nah man i gotta walk my cat tonight.
Guy 1: God damn bailosaurus!