nasty sack 

A term used to describe the sexual act of dipping one's own nutsack into a toilet filled with bean burrito-induced diarrhea, and then allowing one's sexual partner to clean the fecal matter off of the scrotum using their tongue.

"Come on, nasty sack!"
"I still can't get the taste of Gud's diarrhea out of my mouth. He gave me a nasty sack last night."

nasty sack by niggityniggle June 17, 2020

Nasty sacks 

Poo in a bag flung around by chimpanzees. Often said when around African Americans, Jews, and big gay black men. You might say this when you are upset or something wows you.

Nasty sacks man, theres a black man on the front of the bus!

Nasty sacks, I forgot to rape that one pregnant women!
Nasty sacks, I forgot to pull out!

Nasty sacks by TitusgotbigDICK August 14, 2018

Nastysick 

What most people might think that Sicknasty appears to mean.

It is often considered the antonym of Sicknasty and means exactly what it sounds like; Grossness or NOT extreme awesomeness.

Dude 1: "Dude, you see that milk you're drinking?"

Dude 2: "Umm... shyeah dude..."

Dude 1: "Doesnt it taste kinda funny?"

Dude 2: "Come to think of it-"

Dude 1: I came in it.

Dude 2: NASTYSICK!!

Nastysick by DudbitchdudsicknastybluntYHWH! May 17, 2010

nastyback 

Can be taken as an insult or a compliment. Used to describe something in anyway the person using it pleases.

Broooo, You smell like a nastyback.

Bro. Youre such a nasty back, thats amazing.

nastyback by KinkyRhino420 August 28, 2018