A few days ago Ed Whelan noted a story about Larry Pressler’s Senate days while indicating that he doubted it was true. For what it’s worth, the Washington Post appears to have reported the story as fact back in 1998. National Journal quotes it today.
[Pressler] once mistakenly walked into a closet while intending to leave a Senate committee meeting. He stayed there for several minutes. Virtually everyone in the room seemed aware that the senator was in the closet. When he stepped out—to cover his embarrassment—he paused and waved as though conferring with someone who was still inside.
If I had made the same initial mistake, I might have been tempted to do the same thing.