A piece of gum, you pervert!
A pervert wouldn't pay $200 to have a lentil on his face.
Only one; However, it takes an entire emergency ward to get it back out again.
They're harmless until you put one in your mouth and light in on fire
Keep your mouth shut and you'll never get caught.
The teacher tells you to spit you gum out. The train says, "Chew, chew, chew!"
One says, "Spit out your gum!" The other goes, "Choo Choo Choo"