oooh i got some new biscuits, i'll have one to try, and a maryland cookie as a back up biscuit :d
when you take two different types of biscuit, one that's new and one that you know you like, just in case you don't like the new biscuit
"oooh i got some new biscuits, i'll have one to try, and a maryland cookie as a back up biscuit :d" What is the definition of "back up biscuit"?