Do you know what my favorite time of day is?
6:30, hands down.
Do you know what my favorite time of day is?
6:30, hands down.
Listen up, dummy! The joke is a pun. "Hands down" means that 6:30 is the best time, but it also sounds like "hands" pointing "down" on a clock, which would be at the 6:30 position. Bet you didn't think of that because you're a real smoothbrain.