A reduced IQ that is the result of having smoked marijuana the night before. Similar to a hangover, but not unpleasant.
Sorry I'm acting really stupid this morning; I smoked last night and I have a dumbover.
by squeeky! January 21, 2007
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To say that ‘this is the way we’ve always done it, so it must be the best way’ is dumbovative.
by Queen of Innovation April 6, 2018
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