(of an animal) Not eating normally. / (idiomatic, of a person) Rather unwell, especially with a reduced or altered appetite; somewhat disoriented or disconcerted.

(informal) To eat.

(idiomatic) To cause harm to a benefactor (especially one that one is dependent on, thus with the idea that this behaviour is self-damaging).

Extremely frenetic, disorderly and messy.

Expressing the common belief that eating more will cure the common cold, and eating less will cure a fever.

present participle of bite the hand that feeds one

Third-person singular simple present indicative form of bite the hand that feeds one

It is more worthwhile to teach someone to do something (for themselves) than to do it for them (on an ongoing basis).