"Bikkie" is a New Zealand/Australian abbreviation of "biscuit," and the phrase roughly translates to "Tough luck. But life is hard - even eating biscuits can sometimes be hard - so you should probably just suck it up."
"Dr Toughlove, can I still get credit for the assignment that I've handed in two weeks late?"
"Nope, it's far too late. Tough bikkies."
"Nope, it's far too late. Tough bikkies."
by FurryFurryKiwi January 15, 2016