Here are a few of them with brief explanations,
Sometimes my imagination gets the best of me when I'll hear a song lyric (like "Oh Susanna").
Or, I'll take a fast food menu a little further.
I drew the one below in the 70's. I was sailing a lot and the phrases you see were quite popular then.
I once went on a college field trip to a state prison. In the cafeteria I imagined inmates striving to get inducted into the same club my parents wanted me to join at the end of every meal.
In 2000 my first wife and I separated. The one below tried to find a little levity in a heartbreaking situation.