Survey What's The Worst Case Of Having The WRONG Lyrics That You Know Of

I've done this, I Would Like to Think We All Have.

But I'm talking about When you THINK you are RIGHT Singing the words to a song, And Then you come out of it Completely WRONG, and Someone puts you on point about it?

How about CCR's Bad Moon Rising?

There's a bathroom On the Right ??... it's not mine, I Have Heard goal made this mistake.

What about you?