Listen to MUMB1ERAPP3R online. MUMB1ERAPP3R is a Hindi language song and is sung by Gauntlet., MAN1SH and Kid Web$ter. MUMB1ERAPP3R, from the album HYPERPOP MASTI, was released in the year 2022. The duration of the song is 2:43. Download Hindi songs online from JioSaavn.