A chaotic situation, often one that involves several people, each with a different agenda/vision/perception of what's going on; a situation that is very difficult, despite energy and efforts, to instill any sense or order into
"Management's nuts. By the time each of them has his say and policy gets to us, it's a goat rodeo."
"We had Ondine's fifth birthday party yesterday. What a goat rodeo!"
Literally, to be able to undergo cold turkey narcotics withdrawal without the usual helpless uncontrollable diarrhea. Figuratively, to be tough, to undergo hardships without losing it.
"She was in that jail cell for three days going cold after her last shot of H, and never a peep. That broad can really hold her mud."
"She's going through an evil divorce and never once badmouthed her ex. She can really hold her mud."