Top Definition
(adj) A term used to describe a person who is by far the best and brightest of anyone in the proximity. It can also can be used to describe a great situation or idea; one which can possibly and will definitely benefit most - if not all - of mankind.
Person A: That party was lumptastic!
Person B: I know! The chocolate waterside was a great idea!
Person A: I just cant believe you actually drank from it..
Person B: Yeah.. that wasn't my most lumptastic idea.
by imakesandwich January 26, 2011

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