Explanation:

- To defeat someone: This option is correct. The idiom "wipe the floor with someone" means to thoroughly defeat or outshine them, typically in a competitive context.

- To criticise someone: This means to express disapproval or point out faults in someone, which is not the meaning of the idiom.

- To cheat someone: This implies deceiving or tricking someone for dishonest gain, unrelated to the idiom.

- To help someone: This means to aid or assist someone, which is not the interpretation of the phrase "wipe the floor with someone."