tongue-in-cheek definition
Freebase(0.00 / 0 votes)Rate this definition: Tongue-in-cheek. Tongue-in-cheek is a phrase used as a figure of speech to imply that a statement or other production is humorously or otherwise not seriously intended and it should not be taken at face value. The facial expression typically indicates that one is joking or making a mental effort.
Definition of tongueâinâcheek. : characterized by insincerity, irony, or whimsical exaggeration.