Top Definition
When someone has sniffed far too much ketamine the night before and now feels delirious, tired and vulnerable. This is similar to a comedown from a night taking ecstasy, but has different effects. This term originates from Nottingham, England where the ketamine scene is very big.
"Fucking hell Gregg you look rough", "Yeah mate, I had 6 lines of wonk last night and Im on a right ketdown"
by Tucka Southgate May 18, 2008

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