Old news B. Used to express disappointment in someone that posts something in a group chat that has already been reported. The “b” is just a term used to refer to a friend. It does not stand for anything.
Person 1: wow. Pistons just got the first overall pick in the lottery!
…. moments later…..
Person 2: Pistons just won the lottery!
Person 1: ONB
Person 2: Damn, b. You got me.
by DJRITM December 5, 2021
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Outward Nose Breath.

This expression conveys humor in the same manner as LOL, but attempts to provide a more realistic representation of enjoyment considering that LOL is mis-used when one doesn't literally laugh out loud.
Nice meme you sent me Bob; it made me ONB.
by MDags July 14, 2015
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that’s drip onb
by gryzl July 28, 2022
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An abbreviation of on Budder originating in a cult worshiping budder(the way that most southern people say Butter) made up of several high school students. This means the same thing as Ong
Person 1: she’s fine af
Person 2: Onb bro
by Budder-boi June 30, 2023
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Term to describe whole honesty on a opinion or a statement.

If a lie, a random baby from Uganda DIES.

A downgraded term for ONG (on god)
I swear i didn't eat it! ONB (On baby)
by josephat a-u November 23, 2022
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