Tongue n' Cheek was created on 2009-09-20.

Tongue 'n' Cheek ended in 1991.

What you must have heard was tongue in cheek and it means farcical.

A play done tongue in cheek makes fun of itself. It is a parody.

Basically: joking.

Tongue in cheek refers to the facial gesture of using the tongue to make the cheek stick out on one side, which is a sign of skepticism or disbelief. Something said "tongue in cheek" is not to be taken seriously.

The Anatomy of the Tongue in Cheek was created on 2001-08-28.

A tongue-in-cheek answer to a tongue-in-cheek question:

Learning by osmosis.