Idiom: Tongue in cheek Posted on 29th October 201828th October 2018 by DoubleClick Tongue in cheek: humour or joke, although you might appear to be serious Example: My comment was made tongue in cheek (TIC). Don’t take me seriously. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Posted in Idiom and tagged Idiom T.