the opposite of one upping someone, trying to match a complaint with and even worse grievance.
Person A: I don't think I did to well on this test!
Person B: Well, at least you studied. I didn't even know we had a test today.
Person A: Why are you always trying to one down me, let me have my moment.
by aly_xandra April 26, 2007
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It's the rape difficulty in the game payday 2. You'll get swarmed by Zeal-Cloakers, Zeal-Dozer, and skull masked assholes that'll down you in no time. You can be downed only once.
Dummy1:"I wanna try one down"
Dummy2:"No you don't. It'll rape you."
by SniperTon00 May 22, 2018
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to be less Jewish than one's parents
"Shmuel's parents were good Conservatives, but he one-downed them and only goes to service on High Holy Days."
"Oy vey!"
by Yussel Greenberg May 6, 2010
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slang for good bye also see one
usually used on communication devices
Poopy: yo ima hit u when i get back to the block iight...one down
Dae Dae: one down my nig
by Rdurbin September 5, 2005
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Joey, Bobby, and little Timmy sat out the kickball game and burnt one down behind the gym during recess.
by Nick D November 11, 2003
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Response to inquisitive greeting that denotes you're getting things done (as from a daily list of activities).
Ed: "What's up?"

Alan: "One down, dawg."
by lastofseven June 3, 2010
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