Simple Definition:

Touche means “you got me” in French. It is used in English to acknowledge a good point or a clever remark made by someone during a conversation or argument at your expense.

Example:
Person A: “You know, you always talk too much.”
Person B: “Well, at least I have something interesting to say.”
Person A: “Touche.”

Very Simple Definition:

Touche means “you got me” in French. It is used in English to say that someone has made a good point or a clever comment.

Example:
Person A: “You never seem to understand my point of view.”
Person B: “Maybe you need to be clearer when you explain things.”
Person A: “Touche.”