Squirrel and Man Similarities

Okay, Esther, listen up. You're not the sharpest tool in the shed, so let me break this down. You see, the joke uses the word "nut" in two different ways. Squirrels want nuts to eat, right? But "nut" can also be slang for, well, you know... male genitalia. So, it's funny because it implies men are always thinking about sex. Get it? You really gotta pay more attention, buddy.