Female with a sweet ass, derived from tyranasaurous rex.
Beyonce is a donkasaurus rex, Megan Fox's badonk makes her a donkasaurus rex.
by PSHASM February 08, 2010

12 Words Related to DONKASAURUS REX

1) An extremely poor poker player

2) An extremely poor beer pong player
1) Peter Fields called $40 with a five high straight. HAHA. What a donkasaurus rex.

2) Mike Kuzan only won eleven games of beer pong in a row. That kid is such a donkasaurus rex!
by the champ 107 June 07, 2009

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