2 definitions by bill werden

Top Definition
A very larger male reproductive organ
Hey sis stay away from that guy his cock-a-saurus-REX shredded my vagina last weekend my uterus was bruised and required medical attention. (Sis looks longingly at the bulge and thinks HMMM a little dino-cock sounds pretty good.)
by bill werden May 26, 2008
Referring to the male genitalia that is of a better than average size
wow he he has a nice cock-a-saurus it fit just right
by bill werden May 26, 2008
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