Top Definition
my wife....plainly and simply she used to be hot,then she started eating like a pig,acquired a double chin an morphed into an ugly dinosaur called "uglisaur".
Husband's friend-"Hey bro,I remember when your wife was a MILF....what happened to her?
she went berserk on chocolate and junk food and became an uglisaur"
Husband-"yeah man,she has become a freak of nature and I agree.She really is an Uglisaur.She makes me sick."
by dizz custed February 25, 2014
8 Words related to uglisaur

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