weak ass shit 

The opposite of sick ass shit. Something that is so uncool or so non-awesome that it's just plain sad.

Rapper: Your flows are just weak ass shit, they sound like the flatulation of an elephant.
Crowd: (Laughing)

weak ass shit by tripdnokc August 24, 2010

eat my ass with that weak shit 

When someone tells you something so fucking preposterous that you just have to set them straight.

Idiot: Yo you wanna go eat a gluten & Dairy free vegan muffin with me?
Boy: You better eat my ass with that weak shit.

eat my ass with that weak shit by Dat Hero November 17, 2016