Mother of spouse. Self rightous, beastly, female entity. Master of deception. Often dyes her hair in order to reflect a younger age. One who professes to be all knowing. She Who is Evil. The Heartless One.
After his mother in law's week-long visit, Rob had to call an excorcist and bathe himself in Holy Water to rid his home of the evil presence that she left behind.
by Super Gerbil! September 5, 2003
Get the mother in law mug.
Even driving my mother-in-law to the grocery store was a painfully horrible five minutes of my life.
by James October 31, 2003
Get the mother in law mug.
an old wrinkly woman who hates you and knows that you're banging her daughter
My mother in law stabbed at my longfellow with a three pronged fork.
by Muu August 31, 2004
Get the mother in law mug.
the annoying "hang nail" that pisses you off and will not heal on the side your finger nail/cuticle.
OMG 2 days and this mother in law is driving me nuts!
by SexyTexan January 5, 2012
Get the mother in law mug.