Top Definition
1. When one is intoxicated to the point that they begin staggering and swerving from side to side imitating sounds they believe might have come from a dinosaur.

2. When a man get so much pussy that he can be likened to a predatory dinosaur on the hunt for cunt.
- My Bro was so wasted last night that he turned into a Swervasaurus Rex.

Q: Jake has slept with a different chick like every night this week hasn't he?
A: Yeah man, he is a total Swervasaurus Rex!
by Rawberta Doggins November 17, 2009
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