PMO
noun
RareNot in standard dictionaries
1
Initialism of postmenopausal osteoporosis.
2
Initialism of pornography, masturbation, orgasm.
3
Initialism of project management office.
4
Provost Marshall Office
5
Initialism of Prime Minister's Office; The Office of the Prime Minister, composed of the prime minister and his or her top political staff.
#slang