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Derived from: "Oh noes" which means: "Oh no."
Originated: MMORPG known as Maisemore developed by the Crazed Monkeys Team. (www.aspereta.com)
Literal Meaning: "Oh no!"
Originally said by: Unknown
1. Onoes I got Pwnt by a green slime!
2. Onoes you got Pwnt by a newbie!
3. Onoes! Run away, Aunty Punchy is coming!
by Dukes March 11, 2005
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9
The big giant alein in natural selection it can pwn marines by eating them its pretty much unstopable if you dont have any weapon upgrades.
marine: ohhh nooos its an onos!
*onos eats marine*
marine: onos is digesting me thats so fucking gay takes forever to fucking spawn
marine 2: haha
*marine is finished digesting onos eats marine 2*
marine: haha
by stewfoo January 12, 2005
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10
"ono" Is a shorter way of saying: Oh no.

A youtuber named Martincitopants made this term.
Brother: MOM IS COMIN' HOME
Brother 2: ono
by MrTophat2875 May 25, 2021
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11
Utilizing words that combine the syllables 'O' and 'No' to refer to a suspect of breaking up something special, bringing to the table similarities to Yoko Ono and The Beatles. Popularized by the HBO series "Flight of the Conchords" (New Zealand's 4th most popular folk parody duo).
Veronica Corningstone:
"Ron, it's the pancake breakfast. We do it every month."
"O No. Ron's ditching us again." You ought O No he would pull this.
Bret's girlfriend Coco, "Flight of the Conchords
by William Forrester III February 10, 2009
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12
Onos - oh'noss - n. - A Greek concept of rational worry; represented by Homer's Odyssey in Athena, a Greek Goddess, and many Greek heroes in other traditional works, it is considered a positive attribute.
Romans considered "onos" a negative attribute, like Odysseus' intelligence, and it became transmuted into the less-positive "onus," or "burden."
Athena's onos was manifested in her fear of Poseidon's threat to Odysseus' homecoming.
by Misty De Meo March 20, 2004
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13
On ocassions relating to the sale of second hand product through an app, etc. It stands for "On No Ocasion" often to do with delivery.
ONO ask for postage.
via giphy
by Nguyen the knowledgeable. January 20, 2018
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