What makes you go "Aargh" in frustration?

[Xenomorphia]

Customers, they drive me nuts sometimes.
Here's some examples:

Me: I'm terribly sorry, there's a 20min wait on food at the moment.
Customer: Chips as well?
Me:
1. (what I wanna say) Nah, chips are not food... :|
2. (what I have to say) Yes, I'm terribly sorry.

Me: Which account, checque, savings or credit?
Customer: Savings, more like spendings, huh?
Me:
1. (what I wanna say) Very f'ing original, I've only heard that joke for the 100th f'ing time now...
2. (what I have to say) Hehe, yeah... U_U

Me: Hi. How can I help you?
Customer: Yeah, I'll grab a half strength, decaf flat white on vanilla...
Me thinking: (blah, how can you drink that sh*t?)
Customer goes on: 2 beef burgers, chips, 2 frappes...bla bla, yadda yadda...
Me typing: ....
Customer: Nah, hold up... I've changed my mind... Make that a...
Me:
1. (what I wanna say) Daaa fffff!! Decide damn it!!!!!
2. (what I have to say) That's ok... You take your time. (someone hand me a gun)

 

[Jack Spicer]

Wisdom, bro. Wisdom.

Just looking at the threads make me cringe. I never post there anymore. It's just painful.

 

[Escorpiius]

1. Whenever I make a foolish mistake.

2. People trying to make lame jokes and keeps continuing.

3. Stupid people making comments that's stereotypical of their intellect level.

4. People arguing over baseless things or asking over stupid things.