We all have our roles to play.

D.:  And God bless M., the cook.

P.:  And God bless D., the sleeper.

Nursery rap.

P.:  Little Boy Blue has lost his shoe and doesn't know where to find it.  Leave him alone and they'll come home, wagging their laces behind them.

Post hoc ergo propter hoc.

P.:  When I grow up I want to be a superhero.  Then I can wear my underpants on top.

Verb, intransitive.

P.:  I can't believe I bingoed!

Advanced topics in formalwear.

P. {upon seeing D. wearing a bowtie}:  That's not a work tie.  That's a getting married tie.