1. It's a strong emotion or exclamation of acknowledging your shortcoming, fault, or evil done.
2. It's expression of surprise out of wrongly said or done.
oh my bad! I press the wrong key :-(
by primaverabebe April 14, 2011
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The opposite of oh my goodness. When we have said or done something bad or sinful it is ones badness that had caused one to behave in such a manner.
Oh my badness! I have set the house on Fire.
by green923jade October 20, 2016
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