acronym for bad mannered, used by korean computer players.
You very BM player. THX thx. kakaka
Someone, or something lackin' suaveness, someone or something that appears to be half-assed, someone or something that at the present time is acting really lame.
Person 1: Yo man. You's be schlaggin' it up today mate.
Person 2: Whatever man. YOU's be the one who's schlaggin'.