Top Definition
A "Gigantoslagasaurus" is a half reptile, half human abomination of a woman. The natural habitat of Gigantoslagasaurus varies from shopping malls to McDonald's to horrible night club chav magnets. A "Gigantoslagasaurus" is easily identified by her slimly gross reptile features, a weight of over 15 stone, and dress sense of a Barbie doll. The most heinous feature of a "Gigantoslagasaurus" has to be her failure to recognise she is an ugly fat bitch.
"I've never seen such a despicable Gigantoslagasaurus".
"This Gigantoslagasaurus came on to me earlier, I ran for my life".
by The Crimson Adder July 07, 2009
6 Words related to Gigantoslagasaurus

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