"Empowering Advanced Learners of English in Business and Academia - TOEFL / ESL / EFL"
Definition
An order said to someone to make them give up and admit defeat.
Context : Social Life
Category: Idiom
Semantic: bully
Usage of “say uncle”
Say "uncle," and then I'll let you go.
I'll say "uncle", please stop hitting me.
Examples of idiom “say uncle” from Twitter