No, but sometimes I sneak lyrics into essays if it's fitting
This. I once used the lyric 'it's the soul that needs a surgery' in an essay I was writing because it related to the topic and I knew none of the assessors would know the song
This, sometimes I do it to annoy my friends. I wouldn't bring it up in conversation at work or at home with family, unless they're lyrics that really apply to the situation at hand.