look up any word, like kappa:
 
2.
used to describe an instance of frusteration, annoyance, or grief.
"I spilled my alcaholic beverage, fur fuck sake."
by alex king November 12, 2004
 
1.
An expression in reaction to something either bad or highly surprising.
Also used for added emphasis.
Often used by highly agitated Scots or Irish.
"Furfucksake! Can you be any slower with my beer!"
"Furfucksake! She told me it was alright, en then she goes& has a fit anyway!"
by buzzsaw February 20, 2004