Comprised of the words "monster" and "enormous" with a slight interjection of "saur" as in dinosaur. Can be used in both positive and negative connotations.
Positive Connotation: That girl has monstosaurous boobs.
Negative Connotation: That guy has monstosaurous boobs.
Negative Connotation: That guy has monstosaurous boobs.
by Dano February 15, 2005