Don't just think you know them. Look them up and read them out loud without the music. Make sure the song is about what you think it's about it. Sometimes the name of the song or the words of the chorus contrast with the verses. Sometimes songs we think are love songs are actually about stalking or abuse. Also look out for sexist, homophobic, racist, or ablist slurs. If these are words you wouldn't want to say onstage, you probably shouldn't dance to them.
What do you think of this tip? What songs can you think of that may have misleading or ironic titles?