Late in the game the defense finally discovered a chink in the opposing quarterbacks armor.

A chink in one's armor refers to a weakness, like a crack or gap in a suit of armor, that would make it simpler for an enemy to harm an opponent. Example of usage: Putting things off to the last minute is a chink in your armor that may get you in trouble some day. It is the same as saying that putting things off to the last minute is a weakness.

Chink Martin died in 1981.

Chink Martin was born in 1886.

Chink Zachary was born on 1914-05-14.