Simply put, it's a shortened version of FFFFFFFUUUUUUUUUUUU. 7
F's and 12 U's. Any more than that and you'
re doing it wrong.
Waiter: What would you like to drink sir?
You: I'
ll have a
coke, my good man. Shaken, not stirred.
Waiter: Dreadfully sorry my lord, we only have
Pepsi.
You: ...
You: .....
You: F7U12 D:<