1. A risky act of revenge, committed because the need for revenge is greater than the need for self-preservation.
2. Something you do to get back at someone, even though you know that it will be damaging to you in the end.
Marion: Our organization has an intern working at the White House!
Rob: I hope her name isn't Monica.
Marion: Not to worry, it's a guy.
Scott: Don't forget Hillary! She's probably up for a little political revengicide!