something not only fattening but gives you gas as well.

something that makes you fart, as opposed to "fattening" being something that makes you fat.

Fartens is always plural noun. It describes those tiny, delicate farts that are rarely heard or smelled by others, but which make you smile.

Farting in the act of being frightened.

People who fart, sneeze, and fuck at the same time.

a funny word that sounds like it would be german