A member of the Bigfoot genus, the Gwumpalump is a hairy biped creature with a human-like appearance. Since the decline of the Gwumpalump population, however, the term has taken on a pejorative meaning. It is now most often used in reference to someone who is simultaneously extremely grumpy and extremely lumpy .

The Adjective form of Gwumpalump is Gwumpy .
"The last time I encountered a Gwumpalump, I was at Rock City, TN."

"Man, did you see Timmy at the party last weekend?" "Yeah, bro! He was so grumpy and lumpy that he appeared to be a Gwumpalump!"

"Don't be such a Gwumpalump, Carl." "Rock City was definitely a good value!"
by RomulusAugustus July 29, 2017
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