In Australia it means that you're in a lot of trouble, with no foreseeable way out.
"Oh man, I can't believe I lost my paperwork; that stuff took me hours and it needs to be in by tomorrow!"
"Sounds like you're up shit creek without a paddle, mate."
It is a Portuguese expression, translated to "desenmerda-te!", that is used when you want to say to someone that they're stuck in the mud and they need to sort their stuff out.
Nao ha comboio hoje? Vens a pe! Desenmerda-te! Tens de ca vir ter - Is there no trains today? Come on foot! Unshit yourself. you've got to come here!
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.