Clean way of saying "masturbating and watching porn." The tense of "eating" can change depending on context.
Since I wasn't invited to any parties Friday night, I ended up staying home eating mashed potatoes.
Someone who has a voracious and insatiable appetite for mashed potatoes and could easily devour 5kg of mashed maris pipers until they see everything in a creamy white hue
Quarter pounder with cheese and a side of mash for the mash hound
A common situation, experience or every day activity that inexplicably becomes disorganized, confused or grossly fucked up.
We Goat Mashed the other team in gears of war 2
When during a blowjob the female/male giving the blowjob grabs a hold around the ball sac and crushes the balls.
Often done by people with "cbt" fetishes (check wiki) and also dominatrices.
"You cant believe how great it felt when Linda and I tried something new, she really likes Mashing the potatoes. It really spiced up our marriage and felt great."
When someone/something murks your good vibes to a point where there’s no more vibes to be murked
Bro, you really just mashed my beans!
"A mash up". Someone who is insane, crazy, or just not quite there.
That fool over there, he's a mash up.