Can't [do that] for toffee

Maybe it started out as "coffee", Maverick.

As in:

Can't do that for all the coffee in Arabia.

The English drink Tea so they made a "toffee" out it.

History of Coffee: [from Wikipedia]

The crop first became popular in Arabia around the 13th century, and Islam's prohibition against alcoholic beverages probably enhanced its popularity. Before 1600, coffee production was a jealously guarded secret, and fertile beans were not found outside Arabia.

http://en.wikipedia.org/wiki/Coffee#History