For good or bad, most Aussie kids grew up with these Christmas treats. You could substitute with orange juice, but OJ balls doesn't sound right.
Crumb biscuits in a food processor.
Add remaining ingredients, other than currants. Whiz together.
Whiz or stir through currants.
Pour extra coconut into a bowl.
Roll mixture in to balls slightly smaller than gold balls. Roll each ball in the bowl of coconut to cover.
Refrigerate until set (about 1 hr)