Matback 

in other words mattress back describes a fat person you can use it for all people like if they are skinny you would say you single matback and if they are fat you call them a double matback

Girrrrrrrrup big matback

Matback by misterrrjosh November 3, 2019

Matback 

Matress-Back, meaning a girl is a "slag" and always has a back to matress doing "the business". Also means that a girl is a prostitute.

1) Bro, that gyals a matback, been with bare mans

2) Oi, did you know Sophie is a matback these days?

Matback by kyasper September 7, 2005

Manbacking 

Three or more dudes spooning with boners.
Three or more dudes have anal sex in bananna formation.
Three or more dudes with there boners cupping each others asshole.

The three wise men were manbacking in the stable.

Manbacking by the traveling troll October 4, 2010

mayback 

A very expensive and nice car.

Owned by rich ass gangsta niggas, ballas, pimps etc.

"I bought the mayback now they all wanna lick me" -36 Mafia

mayback by Big Paulie July 9, 2006

mat back 

A promiscuous woman who repeatedly engages in the act of coitus (sex) with many different partners and thus should attach a mattress to her back to increase time efficiency. (so the guy can push her over and fuck her).

Ay, Mortimer! Do you so righteously recall that mat back we double teamed last Friday!

mat back by Norsey September 25, 2007

Matlack 

An incredible teacher.

See also Swokowski (his alter ego).

I had Matlack last year...I learned so much and he wrote all these awesome letters of recommendation!

Matlack by Dharya9 December 3, 2003

matjack 

1(mat-jack)
usualy a nick name, or the name of a large ammount of gothic peoples

2 the firstname and second put together of someone to make them sound like a baddass person, but in actuality nonone cares

yo lets go to matjcks house

matjacks a screw ball

matjack by anthony marra April 18, 2008