In K-pop, this means a song that isn't a title track. This is only for K-pop though. Historically, it isn't used like this.
by imthetrend6 October 8, 2021
Get the B-sidemug. by DefinitionQueenxo February 13, 2019
Get the Bmug. short for all of the following: bitch, beotch, biatch, biATCH, Bruh, Breh, Bro Brah, Buddeh, Boomer, bet, bum, bummer, bra, biotch, babe, boo, baby, babay, babey
by SweezyPzB December 15, 2019
Get the Bmug. by Jack A B June 22, 2023
Get the Jack A Bmug. by HeartThrob Rob April 7, 2021
Get the B-Momug. 
