The Greens political party.

Reference to the fact that when you get past the environmentalist green 'skin' of the party, they are nothing but a bunch of socialists.
Person 1: Who are you voting for?
Person 2: The Greens.
Person 1: Seriously? The Watermelon Party? You know they're a bunch of socialists, right?
by Worst Governor Andrew Cuomo February 20, 2021
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A watermelon party Is a gathering of friends partaking in enjoying delicious watermelon and just having INNOCENT fun.
Hey bob wanna come over for a watermelon party?
by Edub1234 September 28, 2019
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An impromptu gathering of people (usually otaku) to engage in group masterbation while watching hentai films.
After not seeing his Otaku friends for over 3 years they went straight from the airport to the watermelon party.
by whereisroom3204 March 2, 2015
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A stab at green politics, which is nothing but a socialist sham disguising itself under the guise of green politics. It's just like a watermelon, green on the outside, red on the inside.
Voter #1: I'm about to cast my ballot for the green party.
Voter #2: You seriously about to vote for those socialist ecoterrorists in the watermelon party?
by John Doe 09378 September 27, 2020
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