60 foot yachts chugging along at 12 knots kicking out a 3 foot wake as they pass by 10 yards away to where you are fishing. Jet skies. Or a 60 yacht chugging along at 12 knots kicking out a 3 foot wake passing by 10 yards away from where I'm fishing, that has a pack of jet skiers zig-zagging behind it jumping the wakes.
People fishing off the dock at the boat ramp that get an attitude when you tie up to the dock to go get your truck and trailer.
People diving/swimming off the dock at the boat ramp that get an attitude when you tie up to the dock to go get your truck and trailer.
Geese, ducks, gulls or any other feathered vermin that approach my boat looking for a handout.
Pulling in 100 yard of mono that some slob was too lazy to put in the trash and instead tossed it into the lake.
People who back halfway down a single lane boat ramp, lift the cowling off their outboard, and start working on it, starting this about 5 seconds before you tie up to the dock, sounds unbelievable, but I've had it happen to me twice over the years.