When a dumb hoe opens a snapchat and doesn't respond; one of the rudest things you can do.
Person 1: She just o bombed me after I sent that snap.
Person 2: What a hoe. Block that basic bitch.
by K-bean aka kelg February 28, 2016
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When someone opens your Snapchat and does not respond
Man that chick just obombed me! O bomb is to open a snap chat and not respond.
by Ezmoneysniper May 14, 2018
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An extreme orgasm leading to exhaustion; usually obtained during and orgy
Kate: Is dude wasted he's knocked out
Lewis: No he just had an O bomb
by LadyinRedndBlack July 11, 2008
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The act of opening a snapchat and not responding. Clearly denoted by the hollow square/arrow beside the individual's name.
Girl opens snapchat while with her friend...

"OMG! I can't believe he actually asked me out over snapchat, what a creep!"

"You should totally just ignore him."

"I would never o-bomb someone, I'm not a monster!"
by mixedsignals August 3, 2016
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May also be spelled The O Bam. Refers to President Obama, while evoking the explosive orgasm released whenever he crosses the minds of white liberal men.
Phil Donahue just would not get off The O Bomb.
by Somefinds April 6, 2009
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A o-bomb means when a stupid hoe doesn’t respond to one of your messages that you sent them. It’s when they don’t respond and leave you on read
I sent her a message and she o-bombed me
by Lonely kid June 25, 2019
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Before the current administration, simply the name of a cocktail, and of a completely exhausting orgasm, usually happening during an orgy. Now, by extension, 1. President Barak Hussein Obama, 2. any absurd statements made by him by members of his administration, and/or 3. the lingering effects of moral, mental and physical lassitude attendant upon these, all the result of the extended Obasm of the last two tears.
Chuck says that Harry Reid and Joe Biden just gassed the house with further moronic pronouncements, but they were just retailing O-bombs that the POTUS dropped to the press corps from Airforce One while doing a low-level flight over Manhattan for a photo-op. Helen Thomas and George Soros were all smiles and delight.
by Guthlac A July 9, 2010
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