when you are having a shit in the toilet and forget you didnt lock the door and your dad walks in whilst you are masturbating and using your own shit as lube and your dad automatically shits himself at what he has just seen.
The act of procrastinating, even if it means doing something you usually would not want to do ie. doing housework, feeding pets etc. Named after a popular Hagaren character, Roy mustang for obvious reasons.
Hawkeye: Sir, please stop cleaning the windows and get back to work.
Mustang: I am working! I'm.. MUSTANGING!
Hawkeye: ... You. Work. Now.
To mukbang someone is when you are having sex with someone, while eating and chewing into theier ear. Some may like to whisper how great och bad the food might be.
-How was Stephanie yesterday.
-Yeah I was mukbanging her all Night and those fries and nuggets where fire.