Nickname for a guy with first name Matt and last name beginning with M-o- (such as Morris, Morrow, etc.), if you have the opportunity to meet a Matty Mo, consider yourself a lucky individual, as these people are often totally badass.
Multiple Meanings. Originated among fat Dutch Girls who live in england.
1) The mateing Call of a a fat dutch girl, shouted in a club to attract one to satify their lusts.
2) Hello, I'm a slut.
3) Sex poistion involving a fat dutch girl and her lover, as well as a large number or tupilps and a pair of dutch clogs, these must all be inserted into the fat dutch girl in as many places as possible.
1) (While in a pub or club)
FDG:"MATEY MOOOOOOOOOOOOOOO"
Desperate looser: Can I buy you a drink?
FDG: "NO, I no Matey Moo for you!"
2) FDG: (sees a possible victem) "Well Matey Moo to you sir!"
Ransom Man: "ERGH GET AWAY FROM ME!!"
Mother of Death - In the film Insidious: Chapter 2 (2013), during a seance scene, the question "What does she want?" is asked. Fifteen dice (with letters on each side) are then rolled out on to a table. The dice spring to life and spell out "mater mortis" - Latin for "mother of death."