Top Definition
An individual who talks obsessively about the gym, and who's diet consists entirely of protein. When not in the confines of 'the base', a riposaursous-rex can be found roaming half naked, flexing their 'guns' infront of adoring girls.
Riposaur: 'I benched the equivelent of a small elephant in the gym today'
Average Joe: 'Yawn'
Riposaur: 'Now I'm going to eat ten whole chickens... Mmmm - I love protein'
Average Joe: 'Yaawwwn'
by jesebel May 30, 2005

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