ass-mosis 

The process by which a person's ass becomes moist through osmosis after prolonged contact with grass. Not to be confused with assmosis.

Z: G-dawg, how did your ass get so moist?

G: Ass-mosis of course.

ass-mosis by theHonestAbe September 8, 2012

moist ass 

An ass that is the moistest

That moist ass is so moist, I thought I was at Miami Seaquarium

moist ass by SentientChair November 10, 2018

moist ass bitch

someone being unnecessarily rude or bitchy.

Eric got drunk and mean last night. he was acting like a straight up moist ass bitch.

moist ass bitch by MandyCard April 6, 2008

Reverse Assmosis

The process of previous farts in a seat, chair, couch, etc reverse cycling up someone’s butt and being farted again.

Dude, someone must have been ripping ass in this seat because I’ve got some serious reverse assmosis going on right now.

Reverse Assmosis by BDE84 July 20, 2018

Assmosis 

the process of absorbing heat from a seat left by the person previously sitting in the seat

John: Hey, this seat is warm.
Franny: Lucky, you get assmosis.

Assmosis by Julie Parker December 23, 2013

assmosis 

When your head is so far up another person's ass you can't think, hear or see for yourself and must connect telepathically with the person whom has let you stick your in there ass for these sensory inputs.

As the tail of the human centipede, Kendar was forced to rely on assmosis to know what was happening in the word around him.

assmosis by hot biscuits January 2, 2015

Assmosis 

The chemical process through which alcohol is absorbed directly into the blood stream through the rectal walls, as a result of anal alcohol consumption.

Cory passed out last night. I guess the assmosis really caught up with him.

Assmosis by Dub Dub Lifer November 26, 2010