amusingly its a term used by my co-workers to describe anyone thats not them.

Oh well... I suppose humility is your coworker's defining quality? :-)

oh the answer to this is definitive. :-P

"What clown wrote this ... [ runs git blame ] ...erm...never mind."

“When you became Denise, I told all of your colleagues, those clown comics, to fix their hearts or die.”

Your coworkers call you a clown?

I didnt call them workmates.

Hire somebody to make balloon animals in the office for a couple hours, pay in cash, tell the balloonist that your name is [coworker’s name]