commonly used in kpop stan twitter, an abbreviation for the "Rookie of the Year" award given out at annual asian music award shows. only awarded to groups or soloists who have debuted in the past year. generally used to denote a very talented performance/song/stage or a talented musician in general.
stan 1: have you heard txt's new song?
stan 2: omg yea that shit was a banger stan txt roty
23👍 8👎