A brown out is when you have a very bad case of diarrhea when you go to the toilet and when you stand from releasing the mud monster the whole of the toilet bowl is covered in diarrhea given the name "Brown out"
A badass vape trick wherein one person blows an O into another person's ass and the second person farts the O back at the first person so the first person can ghost inhale the "Brown Cloud"
"Hey Gary, you wanna help me put the Brown Cloud in my routine?"
"Sure thing, Chad!"