nip at

nip at (third-person singular simple present nips at, present participle nipping at, simple past and past participle nipped at)

1. To bite or pinch with small actions.
2. (of poor weather) To be cold; to be bitingly cold.
3. (idiomatic) To sip a drink (usually alcoholic) in small amounts.

• Atnip, NAITP, Paint, inapt, inpat, paint, patin, pinta, tap in, tap-in