To open handedley slap someone. Denote disrespect for the person being slapped because they had pointed out you would never be the "American President" as played by Michael Douglas.
"shut up or i'm gonna fuckin' matty you!"
"i saw this guy talking to my girlfriend and to piss on my spot i mattied him"
"i saw this guy talking to my girlfriend and to piss on my spot i mattied him"
by honeybadger0706 August 25, 2011

Mattis is a character in the book Ronja Rövardotter, by Swedish author Astrid Lindgren. Mattis is Ronjas dad and robber chieftain. He lives with robbers, his wife and daughter Ronja Lovis in a large castle that has been divided by a lightning strike. He is a person with strong emotions, he was bubbling with happiness and pride when Ronja born, when he is angry he throws things around him and he becomes fully enraged when Ronja befriends the son of his worst enemy, Borka. In the film version portrayed by actor Börje Ahlstedt.
by Dr Fittneger February 5, 2010

by Sydney =] December 14, 2008

matty your such a mad cunt, why are you so cool, your my hero man i wish to be as buff as you one day
by ahjimmeh October 8, 2008

a name some girls call a friend of theirs named matthew, who's the sixth one they know. usually a sweet and caring, silly and very cute guy. (he'll tell you so himself) :)
by thekittywhoknowspuppyandsimon July 6, 2010

When a person abruptly hangs up on you during a phone conversation without saying "Bye" even though you aren't aware that the conversation is over.
Today I was on the phone with mom and she just hung up when she was finished talking. She didn't even say bye. I guess I got Mattied.
by thor bob December 21, 2013
