We found one dictionary that defines the word sharp end of one's tongue:

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1. sharp end of one's tongue: Wiktionary

Definitions from Wiktionary (sharp end of one's tongue) ▸ noun:  A scolding delivered by one. ▸ Words similar to sharp end of one's tongue ▸ Usage examples for sharp end of one's tongue ▸ Idioms related to sharp end of one's tongue ▸ Wikipedia articles (New!) ▸ Words that often appear near sharp end of one's tongue ▸ Rhymes of sharp end of one's tongue ▸ Invented words related to sharp end of one's tongue