Matlowed 

When someone fucks up horribly
ex: Threatening to shoot up a school

Boy 1: You just Matlowed!
Boy 2: I did not fuck up! I did a good job!

Matlowed by Macaroni McDonald The Third May 13, 2018

mallowed 

when one man ejaculates on a woman's bosom and another man does the same thing to another lady and the two females squish their boobs together in a back and forth motion.

We totally mallowed out in the graveyard with the Russian models we found in the back of the Denny's bathroom Saturday night.

mallowed by blarg 545454 October 19, 2010

Mallowed 

when one is perfectly toasted I.e. Like the mallows from sandlot.

"Dude I'm so high"
"I'm so mallowed"

Mallowed by Stevenstones&jake drake July 24, 2017