plaque stack

When tartar sticks to teeth in layers from regular eating habits.

I need to get a dentist to scale my plaque stack off.

by Ereck Flowers May 3, 2019

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Side Stack

When playing DOTA, it's similar to your side hoe. The Stack you play with just to get off.

"Man Jeff and Brian are totally my side stack" said Alex

by wings4eva February 18, 2015

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stink stacking

The act of farting quietly immediately after someone near you gets caught farting and playing it off as part of their fart

Ty: Dang Andrew that fart was raunchy. There’s layers to it!

Andrew: That’s not all me! Logan is stink stacking on my fart!

Logan: You got me guys.

by Fart Ripper January 8, 2024

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When he stacks his testicles on top of eachother and wraps them with saran wrap to hold them in place, creating a replica of a second penis. Recommendation: Use your new ballsack-stiffy to penetrate her while also having anal sex for a double dong combo. Recommendation #2: When he can't get hard and his man meat slightly resembles mashed potatoes filled inside of a rubber glove finger, ask him to stack and sack you instead.

He surprised her by filling both of her holes after he stacked and sacked himself to create a scrotum-sword for penetrate in her punany while he also shot the club in her brown starfish.

by Tiffany MashPotatoes May 26, 2020

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Stacks on deck

Having someone on backup just in case you can't do something

Dude weren't you supposed to go help out with the tap performance last week ...no I got stacks on deck cause I asked my cousin to do it instead cause he's got a degree in this stuff

by Faithmoriahfaith July 5, 2018

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