n. Short for "Submissive." The submissive person in a BDSM relationship or encounter.

When you eat dirt for the first time and leave your family to build a shack in the woods

Abbreviation for subliminal. An underhanded comment directed at a specific person meant to insult/embarrass them publicly on a social networking site (usually Facebook).

This refers to subscribers on youtube

short for "suboxone" or "subutex" or buprenorphine. the only other drug, besides methadone, that is used to treat opiod dependance. It is legally presecribed in a doctor's office but has been found to be illegally sold and used in recent years.

Common reference to a large sandwich often used by people in the North Eastern united states. (Submarine Sandwich)

Short for subwoofers; speaker subwoofers. Often referring to in car speakers.