actual shit used as a substitute for glue when one is lazy
person 1: Yo Fred why u got that paintbrush wedged up your ass?
person 2:Uh i'm outa glue and i'm getting some anus paste shitlips!
Person 1:Ohh i'm sorry don't tell the guys at school i didn't know?
Person 2: Only if you eat my anus paste.
PErson 1: fine