1 definition by mixedsignals

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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