Definition of sado-maso in US English:

sado-maso

adjective

US
slang
  • Sadomasochistic. Also occasionally as noun: = "sadomasochist".

Origin

1960s. Apparently shortened from either sadomasochism, sadomasochist, or sadomasochistic.

Pronunciation

sado-maso

/ˌseɪdəʊˈmasəʊ/