Street slang for fentanyl. This term is mostly used to represent china white, a pure powder form of fentanyl, unlike roxys/blues/30s which are counterfeit Mallinckrodt Pharmaceutical 30mg oxys pills with the imprint "M30" commonly sold as fake oxys pressed with fentanyl. Other oxy brands that are also counterfeited with legit imprints can be K9, A215, V4812, RP30, E8, ALG265, etc.
Aye boss you got any china white?
Yeah man I got some feddie, how much you need?
Lemme get an eighth of that white.
Yeah man I got some feddie, how much you need?
Lemme get an eighth of that white.
by anonymous August 5, 2021
Get the feddiemug. A misreading of the name "Freddy", usually taken in context of the Living Tombstone song about the game FNAF.
"Hey did you see that song I sent in chat earlier?"
"Yeah the FNAF song right? Five Nights At Feddy's?"
"HAHAHAHAHA HE SAID FEDDY"
"Yeah the FNAF song right? Five Nights At Feddy's?"
"HAHAHAHAHA HE SAID FEDDY"
by AA2B January 29, 2022
Get the Feddymug. My feddie imiss u sm, I hope we meet again soon even if it will took years to cross our paths again. I will wait for you.
by Czyyy May 13, 2022
Get the Feddiemug. 
Adj. - Abbreviation for the word federal - describing the seriousness or the unique level of a situation or thing -derived from the knowledge that catching a federal case would be very serious.
The hydraulics on Pookie's new whip are feddy!
by Sarahnade July 9, 2010
Get the feddymug. That kid acts so feddy, he reminds me of my grandfather.
by bwuce lee December 29, 2007
Get the feddymug. by Kyle Augustus Dumond February 22, 2007
Get the Llama Feddymug.