Using song lyrics for a personal message or status, but having them reflect your actual thoughts too. This way, if people challenge you on the meaning, you just say, "It's a song." and you're saved.
A's personal message: "I'm just so in love with you ♪"
B: So in love with who? :O
A: Oh no one, no one... just like the song
B: Oh I see.
A: (phew... thank god for that songthought)