basilosaurus 

A big prehistoric sausage whale that lived in the oceans and did whatever a sausage whale does. Some people make it look like a sea serpent tho. A sea snek. But it was a whale. A whale shaped like a sausage, a sausage whale.

Hey look, it’s a huge mosasaur!
No silly, that’s a Basilosaurus, it’s a whale.

basilosaurus by LittleEnbee February 21, 2021

bailosaurus 

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.

Example:

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.

Example 2:
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!

bailosaurus by not-a-bailosaurus September 12, 2013

bilosaurus 

Nickname for a bisexual person.

Guy1: I've started liking men.
Guy2: You've become a BILOSAURUS!!!

bilosaurus by heinz723 January 11, 2012