Green’s Dictionary of Slang

b.m.t. n.

[abbr. black man’s time, thus negative racial stereotyping]

unpunctuality.

Blacknet.co.uk Newsletter May Week 4 🌐 As usual, the show started on BMT (Black Man’s Time), which unfortunately is the norm, not the exception. I am sure it said 9:30pm on the flyer. The anticipation of the crowd grows louder and louder as they await the start of the showcase. Finally the show starts up at 10:25pm.