It means unconscious. For chickens that can be done as easily as hanging the chicken between your legs by it's feet and swinging it back and forth. Works with small mammals like rabbits and guinea pigs too.
> can be done as easily as hanging the chicken between your legs by it's feet and swinging it back and forth
Uhh.... are you sure??
Apologies for taking so long to come back to you. You're correct, you absolutely should not hold a chicken upside down.
I don't know what I was thinking. The method I mentioned exclusively works on small mammals, think rabbits, hares, guinea pigs.