an increasingly popular 'hobbie'of wanking oneself on webcam, usually perfomed by unbelievably selfcentered, egotistic pricks.
Guy sitting at computer thinks: 'I'm going to matt now cos it's gona impress this girl so much'
by endixpan September 8, 2004
A term for pinning the gas pedal to the floor mats
Hey, if you dont mat it we will never get away from the cops.
by evilends April 2, 2007
A term for pinning the gas pedal to the floor mats
Hey, if you dont mat it we will never get away from the cops.
by evilends April 9, 2007
Mats is a name originally used on boys with extraordinary large penises! If you're a girl and are searching for one of these Mats', you will notice a Mats by his unique, handsome look. But don't worry, a Mats takes what he gets as long as it has tits and a shaved pussy.
Girl: Wanna fuck?
Mats: WTF no? You're the biggest slut at our school!
Girl: Come on!
Mats: Well, alright then... A pussy is a pussy right?

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The word Mats can be used similar to the word MILF:

Girl 1: WOW, what a damn hot and handsome guy!
Girl 2: DAAAAAMN, Mats-alert!!

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Girl 1: What the hell is that massive thing in his pants?
Girl 2: Chill... That's his wiener!
Girl 1: Oh, he's a Mats?
Girl 2: Indeed, let's fuck him!
by Sexy Beast 02 February 8, 2011
1) Short term for the word "Materials". Mostly used in MMORPGS as items required to craft or create a certain item.

2) A group of malays. May be a rude referenace.
"Hey, if you want me to encant this weapon free of charge u gotta give me the mats, dude."

"Holy shit, this club is infested with mats. Yeah. Cheeky monkeys, poser paradise."
by LiquidfusioNz October 28, 2005
keeper, smart, slick, quite sexy
Mat is a keeper, girls, he is the one.
by ke April 28, 2005
When you suddenly get up mid conversation and leave then come back 20 minutes later
Hey where did John go he was just here? Oh never mind he is matting
by SirPanda89 November 17, 2018