:MOTSS: /mots/ or /M-O-T-S-S/ [from the 1970 U.S. census forms
via USENET] n. Member Of The Same Sex, esp. one considered as a
possible sexual partner. The gay-issues newsgroup on USENET is
called soc.motss. See {MOTOS} and {MOTAS}, which derive
from it. See also {SO}.
-- The AI Hackers Dictionary