Question

Will you grow up please, and stop making silly faces?

Accepted Answer

(intransitivehttps://en.wiktionary.org/wiki/Appendix:Glossary#intransitive, idiomatichttps://en.wiktionary.org/wiki/Appendix:Glossary#idiomatic) To stop acting as or like a child (often used as an imperative interjection).

Sentence	Will you grow up please, and stop making silly faces?
Definition	( intransitive https://en.wiktionary.org/wiki/Appendix:Glossary#intransitive , idiomatic https://en.wiktionary.org/wiki/Appendix:Glossary#idiomatic ) To stop acting as or like a child (often used as an imperative interjection).

Stop Grow Making Silly Faces Acting Child Imperative