Used as an insult. If you say someone is ‘spare parts’ then you’re calling them useless, or they’re so poor at what they are doing that they might as well be doing nothing.

In a co-op video game, if there’s someone in your party that ends up doing jack shit for the team, then you’d say they are “spare parts.”
Player 1: Dude, player 3 got no absolutely no kills the entire round.
Player 2: I know, right? He just sat on his ass the whole game!
Player 1: Yup—he’s spare parts.
by fish_dicks October 7, 2020
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Phrase used by sadistic managers (particularly in IT) to describe any moment of spare time their employee(s) might have.

The implication is that the employee is like an old mainframe computer, and should be put to work for every second of the day or else corporate value is lost.
Boss: "Hey, Bob has some spare cycles, he can do these 29 extra tasks."

Bob: <grunts incoherently and shuffles closer to complete mental breakdown>
by Sam Scarma March 1, 2007
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To get out of control with anger, rage, or frustration.
To go berserk.
This is a British expression that was in use before World War II. Probably from spare meaning "excess."
We all thought that Wendy would go spare when she found out that Maurice had spent their rent money buying video games. We were not disappointed.
Malcolm went spare when the liberals passed a law that would lay him off for three months to protect the local prairie dogs.
by Belinda the Goat July 11, 2008
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To offer someone something less than all of your love when they aren't good enough for it.
We weren't in it for the long haul, but he was getting needy, so I threw him some spare love.
by scaley20022 December 29, 2010
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This is what happens when an ex or side lover is contacted suddenly after they become bored with a primary love.
Ben Dover contacted Wanda when he was bored with his new wife and wanted an affair with a spare woman!
by I, Wreckerrr June 14, 2021
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a euphemism used by beggars that refers to "legal tender" in small or otherwise large quantities.
beggar: "got any spare change, my man?"
me: "no"
by volound July 31, 2012
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Usually said in a sentence while someone's trying to tell you b/s, lie, or whatever. You just don't want to hear it anymore.
Boyfriend: I swear I didn't cheat! She went on top----
Girlfriend: You know what, Spare me the details and drama. We're through.
by SparexMe_Loser December 27, 2010
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