When a guy is sitting in class and gets an unexpected/unreasoned boner. After class is through, they need to stick out thier ass while walking in order to hide it. The apperiance is similar to that of a prehistoric Tyrannosaurus rex.
by Plug1990 April 18, 2011
Laying in bed sunday morning with your computer on your stomach while short arming the key board watching your fantasy football updates
by The Cuban Missle Crisis September 19, 2010
1. Dinosaur who was considered to be the most ferocious and dangerous. Has huge teeth and mouth and can eat anything.
2. Nickname for Fibert Bruce, a man who has the physical appearance of a dinosaur, with huge teeth and a big mouth. Has been known to eat anything in sight.
2. Nickname for Fibert Bruce, a man who has the physical appearance of a dinosaur, with huge teeth and a big mouth. Has been known to eat anything in sight.
by kilo May 30, 2003
To deliver a set of three mushroom tattoos, thus resembling a dinosaur footprint (like you made with your rubber boots in the snow when you were a child).
by Ryan-michael Lindsay October 10, 2004
A person who is so cheap that they appear to have tiny little arms like a t rex dinosaur. Their arms are too short to reach their pockets and wallet or purse. More often a girl is a t rex or t-rexer. She will never reach down to her purse to offer to pay for anything.
by t-rex hater January 25, 2013
A person who is a cheapskate or pennypincher. Like the dinosaur, this person's "short arms" prevents him or her from reaching into pockets to obtain currency.
by Jason Marshall September 30, 2003
a condition in which a persons arms are shorter than the average reaching well above mid thigh usually seen with taller people (people over 6ft). Also a condition in which someone who is larger has arms that are smaller and not in proportion
by jannona July 17, 2009