Ass rock 

A rock that appears to smell like ass. No context as to how the fuck it happened. But regardless, still smells like shit.

"Oi, my daughter found a bloody ass rock the other day. Disgusting!

Ass rock by Sugar makes snake proud. May 6, 2018

nasty ass rock 

crack

Hobo 1: Mmm that nasty ass rock was good

Hobo 2: bitch

nasty ass rock by TOW DOWN!!!!!!!!!!!!! January 4, 2023

Dumb ass a rock 

Dumb as a rock combined with asshole and increased stupidity.
Most of people of this category do not understand the difference between Dumb as a rock and Dumb ass a rock

Guy 1: Your mom is as dumb as a rock.
Guy 2: Nope. She is ass dumb ass a rock.

Dumb ass a rock by Jekr December 10, 2018

the rock wipes a monkeys' ass with that excuse 

expression used when someone gives a pitiful excuse for thier actions. Smell what I'm cooking?

The rock wipes a monkeys' ass with that excuse

the rock wipes a monkeys' ass with that excuse by Gumba Gumba May 28, 2004

Rockass 

adj. describing something beyond Rock and Roll, something that speaks to the pervasiveness of both our youth, and our beauty.

"Oh my god, There was puke coming out his nose! That was frikken rockass!" or "Oh my god, you look totally rockass tonight."

Rockass by Tasty Dish April 21, 2006