BPIS 

Bureau of Private Investigative Services, an organization of PIs that are made up of seperate divisions.

I thought my husband was cheating so I called the BPIS division near me and they confirmed.

BPIS by THEMANNAMEDBOB January 18, 2009

bp is a butt dart 

a person who is called a butt dart.

bp is a butt dart.

bp is a butt dart by agnostic dutchbag March 25, 2010