A 'waste cadet' is someone who has no hope in life. Usually someone who is a student or on the doll and spends their life either in bed or on the sofa. They are often a stoner and can spend many days not leaving their home.

A typical day in the life of a 'waste cadet' would be:

wake up....go down stairs...turn tele on...light a spliff...eat...wank...spliff...eat...bed..........repeat
Andy: Do you think nic will be up for clubbing tonight.

Justin: Nah mate is has been a proper waste cadet recently...hasnt left the sofa in 2 weeks
by Andrew21_12 September 16, 2010
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Same meaning as wasteman more or less...
Somone who's virtually signing up to waste their life away, and make nothing of their selfs.
Dave: I can't even spell properly today, i must be a proper waste cadet!

Barry: Dave, your a waste cadet!
by GBX March 26, 2008
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waste cadet means 'prick' basicly
person 1: oi waste cadet you scratched my car

Person 2: sorry man it was an accident, and wtf is a waste cadet?

Person 1: you are a waste cadet, you waste cadet.
by Lee sinclair October 9, 2006
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