1 definition by TheOneAndOnlyYouWishYouCouldBe

Fetti, also sometimes spelled as Fetty and in short can be spelled as Fet. Is the slang term for powdered fentanyl, but can also be used to describe anything that has Fentanyl in it.
Hey did you hear about those Blue Transformers going around Nocturnal Wonderland, a bunch of people had to get brought back with Narcan because those pills didn't even have any MDMA in them it was Fetti!

Person1: Jim has been acting hella SUS lately, I cought him falling asleep standing up.
Person2: No shit, that Idiots probably strung out on Fetti again, he's gonna die if he doesn't get clean.
by TheOneAndOnlyYouWishYouCouldBe November 29, 2021
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