A hangover-like state of being resultant from a heavy night of marijuana smoking. A morning after mong leaving one feeling tired, lethargic and generally unmotivated for anything other than a wake-and-bake, which usually results in a relapse from mongover to monged.
"Christ Barry, we smoked too much last night. I've got such a mongover I slept through my alarm and forgot which bus to take to work."
by Gith March 31, 2006
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