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1.
A word commonly used by Barry to signify someone showing a low level of intelligence. This word is usually followed by a Muttley laugh. (see link below)
( www.youtube.com/watch?v=SKm5xQyD2vE )

Eg 1
Barry: go do some Malcolm's ya' digead *Muttley Laugh*

Footy Boys: Yer, alright Barry.

Eg 2
Oi ya digead!
by The Footy Boys June 28, 2011