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originated in San Francisco, CA
a person who is dry, boring, non social, secluded, no enthusiasm, not interested. Also not up to par, lame, a joke, a fake person etc.
She's a murmp: she never wants to go outside and have fun.

That date was so boring, all he did was talk about himself, old murmp ass cat!

That party was hella murmped!
by superbossy December 10, 2009
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