So, I work at a music/DVD store, and sometimes on my lunch breaks I would go to the Burger King across the street and have some chicken fries. After a while I was a "regular" and as soon as I got there the cashier there would already have my order in the system, which was awesome.
Then, one day I get there and the woman that was usually there wasn't, and it was a teenager and some other guy.
M = Me
SC = Stupid cashier
T = Teenager who was clearly new
M: Hi, I'll have the number 7.
SC: The what?
M: ...The number 7.
SC: What's that?
M: *blank stare* Uh, the chicken fries. (It's right there on the board above your head... and shouldn't you know this already anyway?)
SC: Oh, okay. *takes order*
(a couple minutes later)
My order's arrived, and the teenager is clearly confused. He doesn't know what he's supposed to put on the tray. I'm willing to cut him a little slack here, as he's clearly new and nervous, and I know what that feels like.
T: *puts fries and burger on tray and runs away*
M: *goes to get order* Uh... this isn't what I ordered.
SC: Yes it is.
M: No it isn't. I ordered the chicken fries.
SC: Well, you should've told me that's what you wanted.
M: ...But I DID. It says it on my -- *starts to show receipt*
SC: I didn't know what you were talking about; I don't know what the number 7 is.
M: *WTF-ing at this point* Well, then, I want my money back if you're not going to give me what I ordered.
SC: Sorry. I can't do that.
M: *too shocked and flabbergasted to argue any further, so I eat my $5 fries in silence, throw out the burger, and leave*
Needless to say, I haven't gone there since. I'm still not sure whether the guy was genuinely that dumb, or if he was just fucking with me.