the.com/biting
When teeth or words sink in and don't politely let go.
means Either physically gripping with teeth, or so sharp and cutting it stings — wind, cold, sarcasm, criticism.
from From Old English bitan, to pierce with teeth; the figurative sense of cruelly sharp speech followed naturally, because humans noticed insults wound like incisors.
Double dutyDescribes both literal teeth and verbal cruelty.
Weather useBiting cold predates biting wit by centuries.
Sister wordBitter shares the same gnawing root.