This kinda thread has probably been done before..
Someone phones me at work and when I say hello they say "hold on" and start talking to someone else, they dont tell me who they are and I'm hanging on hearing them chat to someone who is with them on the other end, 5 mins later they introduce themselves and tell me what they want. THAT is a pet peeve.
Another, for example, go to the fridge and both tubs of butter are open and both blocks of cheese instead of finishing one off and then opening the other. Thats just a small pet peeve but its one none the less.
Miserable sod arnt I though?
Got any pet peeves?