tongue in cheek, with

Idioms  

1. Ironically or as a joke, as in Was he speaking with tongue in cheek when he said Sally should run for president? This term probably alludes to the facial expression produced by poking one's tongue in one's cheek, perhaps to suppress a smile. [First half of 1800s]

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Example Sentences

It's tongue in cheek with my coach Joe Gallagher.

From BBC • Jun. 28, 2023

"One can envisage a transportation system without timetables," says Cooper, tongue in cheek, "with the world's cities linked by tunnels, the departure time universally on the hour, and the arrival time 42.2 minutes later."

From Time Magazine Archive