Well that escalated quickly.

The next time you decide to tweet a seasonal (and teeny bit sexiest) punchline at a former secretary of state, just … don't. Especially if the woman in question is one Madeleine Albright, who recently put Conan O'Brien (nay, the world) on notice: Don't come for me, boo.

Comedian Conan O'Brien quickly backed down on Twitter after insulting Madeline Albright. Credit:Reuters

It all started rather innocently. O'Brien, host of "Conan" on TBS, tweeted Thursday that he'd finally figured out what he was going to be for Halloween. Things went downhill from there.