'Pissant' is rarely used to mean 'ant'. Mostly it is a derogatory term meaning an insignificant person. I don't recommend killing any people. Their families and the police tend to object to that.
The best way is to not kill them but remove whatever is enticing them to come - make sure trash bins are secured, leave no pet food outside, etc.
Salt
Cats
step on it.
Kill it. Kill it now.
The best way to kill someone with is to raise the dead. I know a sorcerer that could do this for you. If zombies don"t work, then that sucks.
you can not kill rocks there not alive
Kill everyone....
Burn them
coffee is the best way forward.
The best way to get lvl 1 clue scrolls is to kill lvl2 men or women or kill goblins lvl2.
There are so many way to kill a quail. The best way it to slaughter it just like you would slaughter chicken.