No one is completely sure what Whumpus truly is, all we know is that it will never be located. It's the missing piece of the puzzle that is our known universe.
"do you think this store's got whumpus on their shelves?"

"Mannnnnnn, ain't nobody got whumpus."
by Efroom August 16, 2017
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A slightly overweight individual who is slow, and unwieldy in movement due to their weight. A whumpus lacks agility, and almost always looks funny when trying to move quickly.
Man, Mac is such a whumpus. He sure looks ridiculous when he runs.
by Franz Vorenkamp April 4, 2008
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The externalization of an internal feeling of great glee or joy.
After defeating Jimbob, Jose exclaimed "Whumpus!" at the top of his lungs and then proceeded to "bo" the table.
by C Nichols February 26, 2008
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