Top Definition
the coolest looking dinosaur.
and as the amazing sebasaur passed, they were all in awe. and scared of being eaten.
by sofie May 17, 2004
1 more definition
5 Words related to sebasaur
commonly used to describe members of the band Sebadoh that used to be in the band Dinosaur Jr.
Lou Barlow sure is one rocking sebasaur!
by deanmachine October 07, 2006

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