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1.
adj. Unknown origin.

1. To be affected by an intoxicant and especially by substances that yield THC.
I'm afraid that my ability to answer that question has been somewhat compromised your honour, due to the fact that I'm fraggled.
by Robert D Sykes April 26, 2005
 
2.
defines someone fucked on drugs specially used for people on ketamine.
used in london
he is a fraggle (he is constantly fucked/ he is a drug fuck)
i'm fraggled (i'm fucked on drugs/ i'm munted)
by ex- drug fuck July 01, 2010