Personally I'd go for 'Hi' or 'Hello' in the first instance, always used 'cummo-on' to get the cows moving (and was pleased to hear the exact same call used by the people moving these cattle in the Outer Hebrides), and wouldn't be able to resist 'ahoy there' should I ever need to yell at someone on a boat.
Another thing my dictionary claims is that hoy is an Australian game resembling bingo which is played with cards. It's a long time since I played bingo, but I'm fairly sure it doesn't even vaguely resemble cards. Anyway ...
A hoy is a small vessel, usually rigged as a sloop, which carries pasengers or goods for small distances. I can't argue wth that, as I've not yet done sufficient research. Clearly I need another boat trip or two.
Here's a free to enter short story competition with a prize of publication in a glossy magazine and a two night stay in a castle; ideal if you want to get away from the hoi polloi ;-)
