Top Definition
The emotion experienced when one immediatley regrets sending an Instant Message (IM) Usually in reference to ex-girlfriend/boyfriend or annoying friend. Usually happens when the sender is short on sleep or has succumbed to their emotional instability.
I just sent an Instant Message to an ex-girlfriend in hopes of repairing a friendship, but now I realize that having done so will probably make the situation worse and
by Nick Samuelson April 06, 2005

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The feeling you get almost immediately after you have responded to an email or text, that caused you to become irate.
I replied to my manager telling her she's being insubordinate. Damn, I think I'm having sender's remorse, hope I don't get fired...
by kikcrs February 24, 2010

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