셀프디스

Roasting yourself before anyone else can — a self-deprecating joke that shows confidence and humor. From 셀프 (self) + 디스 (diss). If you laugh at yourself first, nobody else's joke lands.

셀프 = self (loanword)

디스 = diss (loanword from English "disrespect")

See also: 디스, 맞디스