sitting on 

'Sitting on' usually means 'doing something.' If you took it literally, you're an idiot.

I was sitting on my phone for ten hours

sitting on by einSitzpinkler May 4, 2018

Sitting on a cigar 

The need to make a bowel movement.

Dude! Stop at the next rest stop. I'm sitting on a cigar.

Sitting on a cigar by Chipf70 March 11, 2012

sitting on a stick

The uncomfortable circumstance associated with an unavoidable delay in bowel evacuation.

By the time I reached my stop, I had to shit so bad that I almost didn't make it off the bus. It felt like I was sitting on a stick.

sitting on a stick by YAWA May 14, 2015

Sitting on pancakes 

a term meaning up to no good or shady business, such as what you would think if you saw someone actually sitting on pancakes

Salmen skipped classed without explanation, he is sitting on pancakes

Sitting on pancakes by Mr.Moneybags April 3, 2011

Sitting on a wet log 

1. Someone who's being a downer or just having a bad day.

You lost your key again? Man, you are just sitting on a wet log.

Sitting on a wet log by Wetlogger August 26, 2013

sitting on a poop knob 

When you're sitting at your desk and turd "prairie dogs" by partially easing out causing you to sit one or two inches higher in your chair.Almost always results in the eventual delivery of a "flat head" turd.

I need to go to the restroom but I can't get up right now because I'm sitting on a poop knob.

sitting on a poop knob by wolfbait51 May 31, 2011

Sitting on the Bonnet 

Used to describe a period of time out usually accompanied by intense torturous thinking.
Most commonly at a party where you get some alone time to sober up and decide whether to drink more, attempt to pull a bird or curl up and die.

Yo dude, you nailin' that whale tonight?
Na bruv, I dunno, I've got to go sit on the bonnet I'm battered mcnattered.

Yo bru, are you jacking off in there, let me in, I've got to pee!
Na sorry mate I'm just sitting on the bonnet in here!

Sitting on the Bonnet by Hentsep Renge March 2, 2009