A muffin that it looks like a group of guys jizzed on it and then another guy came and took a shit on the jizz mountain.
Can also be used as a compliment
"Yo look at these jizzshit muffins i baked"
"Dam u look like a real jizzshit muffin today <3"
Breathing condition. Can be partially cured by inhaling ones fart directly from their asshole.
Man 1: Oh man woke up with the worst case of assthma this morning
Johnathan: Dont worry man i got you *Jumps on his face ass-first and farts*