tongue in cheek, with
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]
Words nearby tongue in cheek, with
tongue sole,
tongue thrust,
tongue twister,
tongue worm,
tongue-and-groove joint,
tongue in cheek, with,
tongue-lash,
tongue-swallowing,
tongue-tie,
tongue-tied,
tongued