1 definition by Imogen-Joanne-jonathan-carr

A noun used to describe the state of mind a person is in, after the intake of drugs has an ecstasy affect on your brain.
After a guy has just taken drugs he becomes somewhat retarded in the head. often acting weird and screaming words like "timmy" or "bonno" this is what a bonno is.
by Imogen-Joanne-jonathan-carr June 19, 2009

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