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1 definition by xio2

 
1.
To dumb down is an alternate way to say you're doing "downer" drugs (i.e. opiates, weed, etc)
Time to dumb down boys!

Guy 1: What you up to man?
Guy 2: 'bout to dumb down, what's good with you?
by xio2 August 30, 2010
1 10