Class as in school, or are you making another joke?
I have to admit play is a big part of my daily life, and I'm so glad you opened this thread, Holly.
My favorite joke is a silly one, and it works more as a visual than verbal, but here goes: A man is walking along a street with one foot up on the curb and the other foot in the gutter, which is making him move in a very off-balance way. A cop pulls up beside him and says, "Buddy, you're drunk." A look of relief crosses the man's face, and he says, "Oh, thank God. I thought I was crippled."
Every time I walk on a street that has a curb....