MOTAS
= M =
MOTSS
MOTOS /moh-tohs/ n.
[acronym from the 1970 U.S. census
forms via Usenet: Member Of The Opposite Sex] A potential or (less
often) actual sex partner. See MOTAS, MOTSS, SO.
Less common than MOTSS or MOTAS, which has largely displaced
it.
--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.