Other examples are "Sooth your boobs", "De-stress your breasts", "Undo the calamity that is your mammaries" and "Adjust your bust before it combusts".
I also like "Give your chest a rest" and "Don't have a rack attack".
Jenna: OMG I'm stressing out over this test! If I don't get a good score, I'll fail the semester and then I'll fail the year, ruining my life and I'll end up homeless because I cant get a job and...
Mark: Dude, hakuna your tatas. It's just one test.
TATSNBN is The Abomination That Shall Not Be Named A Term used to refer to the 4th edition of the Dungeons & Dragons game (produced) by Wizards of the Coast, used primarily by those who prefer the earlier (TSR-produced) versions. It is a tongue in cheek play on the abbreviation TETSNBN.
If I didn't want todiscuss TETSNBN, what makes you think I would want to discuss TATSNBN.