Burlesque metaphor

Burlesque metaphor is an amusing, overstated or grotesque figure of speech, usually a comparison or exemplification.

Examples
"Eat your own dog food."

- An American proverb which means that you should consume your own product to recognize its flaws.

"If they are offered winged ants, people will eat them."

- African proverb

"There is an elephant in the room."

- An American idiom meaning that there is a sensitive issue no one brings up.