One of mine is standing in a line and having to wait. The bright side is when your number 2 in line.
But when you are number 1 it is the best.

I hate it when your talking to someone and they start talking before you finish. I mean some people will ask you something and while your giving your reply they just cut ya off. Or when your talking to somebody and a 3rd party butts in and cuts ya off

Idiots - that's my biggest peeve. Usually they are a Darwin award one step away from leaving the gene pool.

I especially don't like standing in line to give my money to someone, like at a checkout line at HomeDepot. If you want my money, open enough registers to get it ...