What does it mean to be a foreign chicken?

This is a derogatory term used to ridicule and express dissatisfaction. "Belonging to a foreign chicken" is a derogatory term, which is used to ridicule and express dissatisfaction in the network environment of Chinese mainland. "Chicken" here means "rooster", while "belonging to chicken" means "belonging to rooster", implying that someone or something is "insignificant" and "insignificant".