I'll never forget we stopped on the way to the zoo for a to go order and it went something like this....Me at Drive thru....    " I would like a large Coke please"Cashier -  What flavor?Me - CokeCashier - I know but what flavor???LOL - took about 5 tries before she "got it" lol
@GoldenGirl: I witnessed a similar situation on an airplane when a guy was trying to order a Big Red.Flight attendant had never heard of Big Red, and the only thing the guy could come up with to explain it was "you know, a Big Red" 4951