with (one's) tongue in (one's) cheek

with (one's) tongue in (one's) cheek

Humorously or as a joke, though seeming or appearing to be serious. The president gave a speech on April Fools' Day about the "War on Couch Potatoes," which he delivered with his tongue in his cheek. The zombie movie, very much with its tongue in its cheek, gives a clever criticism of American consumerism.See also: cheek, tongue