by #swagking November 21, 2011

A subspecies of the Tyrannosaurus Rex that has successfully repopulated the world today. The Y. Rex is prone to sudden random dinosaur-induced outbursts and often struggles to extend its arms with a ritualistic arm dance to increase the efficiency at which it captures its prey.
by dwaiky December 3, 2009

by MemeLordDaddySir March 1, 2018

Did you know that Erika has been smashed my so may football teams and astronaut leagues? Ya, i know she is such a Trampasaurus Rex
by Tramp au sar us January 27, 2010

The erection of a tyrannosaurus rex.
by DannyTheScoob July 18, 2016

by lord chizzle of chizzleton February 14, 2009

In Marvel Comics, Imperius rex is a yet undefined battle cry uttered by Atlantean King Namor the Submariner whenever he goes into battle.
"Imperius Rex"
-Namor when he charges into Battle
"Imperius Rex"
-Namor when he banned surfacers (us) from the ocean
"Imperius Rex"
-Namor when he and his Atlantean army assists Captain America during the Marvel Civil War
-Namor when he charges into Battle
"Imperius Rex"
-Namor when he banned surfacers (us) from the ocean
"Imperius Rex"
-Namor when he and his Atlantean army assists Captain America during the Marvel Civil War
by D_H @ Canada December 6, 2007
