re: What is the one thing that pisses you off most

Lack of gun safety and respect for the outdoors pisses me off the most.

Another thing that is mainly duck hunted related:
The one guy who doesn't understand that you never swing over your blind partners heads.

This is the number 1 reason I quit duck hunting with my father. He is the tallest fricker in the blind and he doesn't give a shite if you've got that duck lined up and getting ready to hammer it. He will look to your side, swing over your head and shoot.

One: that's an assholish move.
Two: It's dangerous
Three: it's loud as frick when when a browning BPS 12 gauge goes off right over your right ear.