Top Definition
Ragasaur \rag-ah-sawr\~noun
(plural) ~saurs

1. : the part female, part monster, that all women turn into at that special time of month known as PMS.
2. : a woman susceptable to be hyper-emotional including sudden mood swings and irrational behavior.
eg.1 When Ted was verbally assaulted for no apparent reason by his sister Sarah, he realised he was no longer dealing with a woman, but that of a Ragasaur.

eg.2 (plural) Upon returning home from a boys night out, the gents were ambushed by a ravenous pack of Ragasaurs, previously known as their wives.
by stumpylegzpegz May 07, 2009

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