That varies depending on the context. It may be: # In epicurian
terms a large hard roll, most often of rye flour. # In equestrian
terms it is a large chunk of horse manure. # In sexology it is an
un-named sex act involving fecal matter. # In Brewers terms it a
toasted flavor like fresh warm yeast bread. # In New Zealand, a
biscuit (cookie) consisting of two thin layers of cinnamon and
ginger flavoured biscuit, with jam in between. They are usually
iced and topped with glace cherry or "hundreds and thousands" (aka
rainbow sprinkles). Empire biscuit is a synonym. Prior to the
outbreak of World War I they were known as German biscuits but were
renamed for patriotic reasons.