Relating to the underworld or the god Pluto. Common misspelling of the word platonic, meaning intimate and affectionate but not sexual.
Everyone thinks that we're dating, but our relationship is strictly plutonic.

Um, I think you mean platonic.
by chalima March 9, 2009
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A pun that indicates a relationship that is not only not platonic, but explosive.
We used to platonic friends, but after last night, its plutonic.
by ntsci September 17, 2012
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The queerest person in an IRC channel.
Jesus, don't be the Pluton in here.
by FishBulb June 11, 2004
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When you have a platonic sexual relationship but you know that the "just friends" part was never a real thing in the first place. You pretend like it exists, but it was always a myth, much like the planet Pluto.
JB: Let's be strictly plutonic friends who have sex whenever we feel like it.
Eris: Sounds great! I love pretending, so that will be fun.
JB: Great, can you give me a plutonic blow job?
by ohheykittykitty July 24, 2019
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a friendship or relationship in which there is no possibility of romantic progress.
"I like you, but only as a friend."

that's some plutonic shit right there.
by t2d.curious November 4, 2007
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proper noun. (Ploo'-tun) also (Ploo'-tahn); A member of a proposed category of planetoids (Plutons) being politicized by pseudoscientist geocentrist committee members of the International Astronomical Union in a conspiracy to eventually strip Pluto of Planetary status. Etymology from vulgar Latin, Pluton, the Roman equivalent of Hades, and still contemporary name of the ninth planet in Spanish.
Recently, Caltech scientists believed they had discovered larger Plutons than Pluto itself. Three of the largest Plutons are pending names though have been informally christened Xena, Santa Claus and the Easter Bunny. Desk astronomers are working 9-5 a decision of whether they are "planets" or simply Plutons - and whether a Pluton is a planet or not.
by MexicoDoug August 17, 2006
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Adj: A one-sided relationship that not only fails to ever get romantic, but that manages to get you publicly humiliated in front of your peers when the object of your affections openly dates someone else.

from: "platonic" and the demotion of Pluto to dwarf planet status.
student 1: Hey, WTF? Isn't that your girlfriend smooching with the captain of the football team?

student 2: Yes, Betty and I have a plutonic relationship. She respects my mind.

student 1: Sure, you sorry-ass loser!
by KatieOh! September 12, 2006
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