What does the idiom a tongue lashing mean?

Answer:
A 'tongue lashing' is a severe telling-off. It is the verbal equivalent of being lashed with a whip. It can't hurt you physically, but the power of the words may make you feel very uncomfortable/upset/angry/humiliated and so on.
First answer by Hortense031187. Last edit by Hortense031187. Contributor trust: 70 [recommend contributor recommended]. Question popularity: 11 [recommend question].