You don’t have the sense God gave a popsicle

I bite my thumb at you.

“You are not acting like the person Mr. Rogers knew you could be.”

Guaranteed to slug the inner child of, at least, three or four generations. Might have diminishing returns at the extremes (brainwashed boomers and brainrot zoomers) but should still hit pretty hard on those who grew up watching Fred Rogers and are capable of some amount of introspection.

“If she was a spice, she would be flour” - Louise Belcher

There’s a great artist that sells stuff at our local ren-faire; I bought a fridge magnet that says “I saw thee, and thought my day unwell.” It’s illuminated like an old manuscript and depicts a slim greyhound tossing his cookies.

“you’re the sharpest bulb in the chandelier” is my personal favorite

Have the day you deserve!

“You look so generic I got a deja vu the first time we met.”

I keep recycling this one but it’s hard not to. I have so few good ideas!

“I say this with the greatest respect…”

Chuckle and as you walk away, and under your breath but just loud enough to hear, say “eyebrows” in a way that sounds like you were amused and thinking about how it amused you. They will think about that for years, as I have been

I love how you don’t let facts influence your opinion.

It’s really hard to underestimate you.

The truth. The reason you’d want to insult them as a direct pointed criticism.

You should be paying for the Oxygen. Yes, that Oxygen.

I can explain it to you, but I cannot understand it for you.