BPT is based off of CPT which is short for Compton. Bloodsdon't pronounce the C's or K's at the start of words. Instead they use a B. So BPT is Blood's Compton
1) BPT sprayed on a wall in compton means Bloods own that part
2) "Nigga I'm from BPT" - YG ( Popular LA basedrapper who claims bloods)
"Brown People Time"
The unit of time that attempts to provide a closer estimation to the actual time something is set to occur, specifically in ethnic cultures.