Put-on and Parting shot

Put-on noun - A display of emotion or behavior that is insincere or intended to deceive.

Parting shot and put-on are semantically related In some cases you can use "Parting shot" instead a noun phrase "Put-on".

Put-on and parting shot are semantically related in contemptuous laughter at something topic. Sometimes you can use "Put-on" instead a noun phrase "Parting shot".