A person that will always convince you to party, especially if you're unmotivated or hungover.
Lyle: "I'm so shakey and bloated, I will never party again. I retire."
Sage: "Don't be a fag on Natturday... let's shotgun some Natty and start this game of wizard sticks."
Lyle: "You're such a partymonger! Where would I be without you? My Nattmare is over!"
by Burt Bitchin October 15, 2014
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