say uncle

say uncle also cry uncle  {v. phr.},  {informal}
To say that you surrender; admit that you have lost; admit a defeat; give up.
Bob fought for five minutes, but he had to say uncle.
The bully twisted Jerry's arm and said, "Cry uncle."
The other team was beating us, but we wouldn't say uncle.
Compare: GIVE IN.
Categories: {informal} {v. phr.}