Tongue in cheek
Meaning
Playfully ironic or joking.
Usage
Used when humor accompanies a comment.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Gesture of pressing tongue against cheek to signal joking.
Used in 19th-century British literature.