I like coming up with novel passive agressive ways to say fuck you.

* buy those: https://etsy.com/de/listing/...

* show them to people

* make a point of not handing over any coin

I do notttt

What I like to do is to push up my glasses using my middle finger

I always look down and shake my head cause I can't look them in the eye and mutter "oh this motherfucker" like Denzel Washington

Again, you're a textbook pussy

I'm very openly negative about code once written if I think it sucks, so people are generally aware of my attitude. This way, when I think a person or idea is full of shit I can formulate the most moderate critique, and everyone anticipates the correct reaction to the code.