Dirty pool and Hanky panky

Dirty pool noun - Conduct that is unfair or unethical or unsportsmanlike.

Hanky panky and dirty pool are semantically related In some cases you can replace phrase "Hanky panky" with "Dirty pool", this phrases are similar.

Hanky panky noun - Verbal misrepresentation intended to take advantage of you in some way.

Dirty pool and hanky panky are semantically related in trick topic. Sometimes you can use "Dirty pool" instead a noun phrase "Hanky panky", if it concerns topics such as cheat, monkey business.