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The most dreadful word in nuclear physics.
OOPS!!! (Chernobyl, 26.04.86; Chelyabinsk-40, 29.09.57; Three Mile Island, 28.03.79; etc)
by ex-physicist May 13, 2008
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3
The last thing you want to hear from a surgeon.
Medical Intern: Now, I just make an incision in the -- oops! I forgot the anesthetic!
by PresterJohn May 10, 2011
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4
Parent to child: WHAT THE HELL DID YOU DO THAT FOR?!?!?
child: ..oops..
by Hannah Banana April 01, 2004
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6
The exclamation made after saying something inappropriate, offensive, or insulting.
oop- i just farted

I yelled oop after making an anti-semetic joke, because Lindsay is an orthodox Jew

Joyce says patent pending after every oop, because she came up with it
by gormonater December 09, 2009
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7
The word you say when you dont know what to say.
Angela: your so annoyingggg
Me: oop
by itzme? May 27, 2019
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