맞디스

Firing back with an equally sharp or harder diss — when someone comes at you and you clap back immediately. From 맞 (back/counter) + 디스 (diss). The art of returning fire with interest. Especially common in Korean hip-hop and rap beef culture.

맞 = back / counter (shortened from '맞'서다)

디스 = diss (loanword)

See also: 디스, 셀프디스