Woman: What did you just call me?
Child: A Lepton
Woman: What the hell is that?
Child: You wouldn't understand.
Woman: No, speak slowly..
Child: A lepton is a Z particle.
Child: Do you know what protons and electrons are?
Child: OK, what are they?
Woman: They're those teeny tiny things atoms are made out of.
Child: Well, leptons are even smaller.