The best way to farm cocks is as Thf or with /thf. You start off sneaking up behind the cock and sneak attack it, sneak attack makes sure you end up hitting the cock from behind as hard as you can.

After that just start whacking the cock. Be careful though, the more you whack the cock the more likely to hit you with one of its nasty attacks. The last thing you want while you're face to face with a big cock is to end up