Three Two One, dick on your head!

a term used to publicly announce when someone has just made an idiotic comment. It usully starts with the countdown "three, two, one," followed by the person franticly pointing at forhead then pointing at person who made the the idiotic comment, then the person announce's "dick on your head" in an aggressive/lighthearted way, depending on how stupid the comment was.
can also be used as a greeting.

person a: I like BLUE!
person B: what?
person C: stupid fool!
person B and Person C: "Three Two One, dick on your head!"

Three Two One, dick on your head! by THE GOAT! June 24, 2011

nuts on your head 

when a person name Lawrence shoves his nuts into his mom's mouth

Last night i put my nuts on your head.

nuts on your head by BDM!(&% May 14, 2018

Got on your head 

When Izzyasons actually claps you in an argument, and you are genuinely speechless...

"Dam he/she got on your head?"

Got on your head by Izzyasons April 27, 2022

Gaming with your head on your shoulders 

Slang for erectile distinction when trying to please a girl

Friend 2 :I was at a girls house last night, and I couldn't get it up.

Friend 2:Dude you were totally gaming with your head on your shoulders.

Gaming with your head on your shoulders by Todoroki_is_my_dad August 19, 2021

on your own head be it

used to tell someone that they will have to take full responsibility for what they plan to do

At risk of being impertinent, if you make her head of the company, on your own head be it.

on your own head be it by therma2000 April 9, 2012

On your own head be it! 

Idiom

used to tell someone that they will have to take full responsibility for what they plan to do

I am telling you, don't get married to her, she is a control freak but if you do then, on your own head be it!

If you want to quit a high-paying job to chase after some fantasy of being a travel writer, then on your own head be it!

On your own head be it! by Zami Karzai September 13, 2018

On your dummy head 

A term used when your are dealing with incompetent people.

Also when you get a kill or block in volleyball

Julie said “on your dummy head” when she got a kill and won the game.

On your dummy head by Dummyheads December 17, 2019