One who's repetitious bragging resembles a prehistoric beast's warcry. These folks aren't ones you would wish to spend long amounts of time with. You will spend the majority of your time with them figuring out who to get them to leave.
RRRRRAWR I got this new truck, a raise, and I slept with 6 women last night. Advanced bragasaurus's can also be referred as bragasaurus rex's.
The Dabasaurus Rex was at the top of the food chain, whenever it found it's prey, it dabbed on it and it could not handle the MLG power of the dab. All of the dino haters got dabbed on and never messed with him again.
DRAMA-SAR-US Rex, noun; A creature you thought was extinct after your last relationship, you have yet again unearthed another example of this terrifying creature. Prone to argue about anything, create trouble out of nothing and never ever under any circumstance admit they are wrong!