YAATSNBN
YAATSNBN is Yet Another Abomination That Shall Not Be Named. A Term used to refer to the 5th 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 and TATSNBN. Pronounced "Yats Bin".
If I didn't want to discuss TETSNBN or TATSNBN, what makes you think I would want to discuss YAATSNBN.