A person who interrupts a conversation between two or more people with information that has nothing to do with said conversation.
Man, Joe and I were having a conversation about solar power when Interruptus Rex butted in to talk about the great Mexican he had at lunch. By the time he was done I forgot what I was talking about.
by Lazabout April 2, 2010

n. (flake-a-sore-us-rex) a. Someone who is unreliable and never does what they say they are going to do.
b. The biggest flake you know.
b. The biggest flake you know.
Tim: Hey, John, I thought you said you were coming.
John: No, dude, I have to wash my dog.
Tim: You're such a flakasaurus rex.
John: No, dude, I have to wash my dog.
Tim: You're such a flakasaurus rex.
by -Angel- July 16, 2011

by Mario Bogolavicchi February 13, 2007

by Jess Ski October 21, 2008

by friedchicken347 July 3, 2010

The top of all BAMFs Higher than even the bamf vips and Bamfasaurus Rex's!!! reserved for the select few like Chuck Noris
Joe: Dude have you seen the new kid?
Bill: the one dating Iana?
Joe: Yeah! he is such a Bamfajesusaurus Rex!!!
Bill: the one dating Iana?
Joe: Yeah! he is such a Bamfajesusaurus Rex!!!
by mydadgaveupopcorn June 16, 2010

Omg the Rapeasauras Rex burst through the walls of are locker room yesterday and raped the living shit out of me. all my friends lost there virginity that day.
by Kool Kidz Klub June 23, 2009
