I used to work for a large garden centre chain in the UK, as well as plants and garden related paraphenalia, they also sell pet produce (inc livestock then) giftwares etc.
The also had a franchise on site that sold everything you could need for fish, tanks, ponds etc.
I worked there for approx 1 year before becoming a manager of the pet dept. and general gopher in all other areas.
Now to the stories. Gonna start with nice ones before we get to the arseholes.
Call is put through to my extension.
me: good afternoon, pet dept, can I help?
C: Yes.
me:.......... what can I do for you?
C: My fish tank is green and the fish are dead!
Me: I'm sorry to hear that but unfortunately I can't help.........
C: (interrupts) well put me through to the pet dept.
Me: This is the pet dept but we don't deal with fish, there is a franchise on site that does, I can give you the number?
C: No, just transfer my call.
me: I'm afraid I can't do that, they're a different company, you have to call them directly as they have a different number.
C: Well its not good enough, you should go and get someone from there.
Me: I'm sorry, I can't do that, you need to call them yourself. Would you like the number?
C: There's no point, the fish are already dead. (hangs up)
I had that on a regular basis.
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On one occassion I managed to break 2 of my fingers on the pen that the rabbits were in. A dept full of customers who all went a bit green.
Since I was in the middle of a transaction at the time, I had to finish it or void it.
The woman I was serving was very surprised I did and the other customers were understanding and went to the main checkout area to pay for their purchases. It was only when I got back to work a couple of days later that the manager called me into the office. The woman I'd been serving had gone to the managers, told them what happened and that I had finished serving her, written a lovely letter and he handed me an envelope. She'd put £20 in there for me!
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When the original pet dept. manager left through sickness, I was promoted but because she was such a bitch, she hadn't taught me anything useful, ie ordering, booking deliveries in etc. So when she left, it was a crash course of learning, since it was assumed I knew, since I should've been shown how these things work. There was no one to cover me so I'd ended up working 6 weeks straight without a day off when this next one occured.
It was about 4.30pm and I'd finally gotten to go for my lunch. I was sat upstairs in the staff room having eaten my lunch and enjoying a smoke and a cup of tea (how very british of me! :lol

when a large number of staff burst in all excited.
T = them. M = me, H = Him
T: Squashed Frog, you gotta come downstairs, there's a film star in the pet shop!!!
M: Which one?
T: Oh he was in that film, y'know.......
M: looks blankly.
T: oh you'll know him!!
M: lovely...... be there in a sec, gonna finish my smoke first.
T: (arguing amongst themselves) It's Hugh Grant! No it's not, its...... Grant something tho!
M: Well if it's Hugh, find out if his mum is here and tell her to tell him, I'll be there in a sec! (His mum was my french teacher)
T: Ooooh hurry!!!
(they all rush off to watch him on the security cameras)
I go into the pet shop and apologise for making him wait.
Me: Hi, sorry for the delay.
H: No problem we were laughing at that card (points out a birthday card or mine on the side with a joke on the front) Were you really only just having your lunch?
M: Yes, its been a bit insane here today.
H: Oh I'm sorry, we didn't call you down early did we?
M: No, I made you wait while I finished chewing *laughs*
H: We heard you have dog kennels for large dogs.
M: *pulls out catalogue of handmade kennels* How large a dog are we talking?
H: BIG! *indicates with hands*
M: Oh blimey. We can get kennels that size but I'd have to order one since we don't have room to store it and its not a called for item.
H: Hmmm ok.
M: I can call some other nearby centres and see if they have one if you'd like?
H: Would you really, I don't want to be a pain?
M: Of course, give me a minute and I'll see what I can do.
I call around and find one reasonably nearby. They put a reserve on it for me.
M: Well they have one at its not far away.
H: Thats ok, I know where it is.
M: When you go in, ask for Pip and tell her I sent you from here and she'll sort you out.
Charming man indeed. And I got some flowers thanking me for not swooning at him or brown nosing him and actually thanking me for making him wait rather than falling over myself because he happened to be well known.
And the other members of staff still couldn't work out who he was!
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Also, I'm a total dunce when it comes to computer games, I mean I play them but not often and don't much care if I win/lose etc.
Rather than making game store employees want to kill me, I ask all my stupid questions to google (which is how I ended up here in the first place)
You'd think others might try that, if only to not look like they were regularly dropped on their heads as infants.