The effects of a large amount of amphetamine when the user suffers hallucinations and/or paranoia. When the person acts oddly it is known as 'didging'.
Slang word for speed/ amphetamines.
This definition has been used in the Newport, South Wales area for the past few years.
"Look at Matt, he's didging right out bruv!"
"I just got a bag of didge and I'm off into town to party!"
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