Sploshing: Splashing watery foods on a single’s self or perhaps a partner being a work of foreplay or even for intimate gratification.
Squashing: A fetish to be squashed by another partner.
Stigmatophilia: A fetish for human anatomy piercings.
Stuffing: A fat fetish in which someone consumes, or perhaps is built to consume, to the level of real discomfort. Pertaining to: fat fetish, feederism, feeding, feedism, gaining, inflation, immobility, cushioning,
Submissive, sub, subbie: one that derives sexual satisfaction from yielding control up to a principal partner.