It comes from the italian word "bimbominkia" (bimbo => baby; minchione => dumb).
Dumbaby means:
- that sort of teenager who go jumping around, ripping off his/her hair, screaming out loud at the concert of some freak guys who've just got famous thanks to some brand new freak song.
- he thinks he's so cool and skilled surfin' the internet with the father's brand new pc and trying to hack the world with some msn-account-freezing program or some oher stupid cheat.

Marginalized Orientations, Gender identities, And Intersex. it’s meant to be an all inclusive umbrella term for asexuals, homosexuals, multisexuals, trans people, and intersex people. Alternative to LGBTQIAP+
Alternative to MOGII, easier to pronounce.