Lexicon

SOFT: not well done, amateurish; unable to cope broke, no money
SOUNDBWOY: usually a derogatory way to refer to the selecter or other personality in another sound system. This term is most often employed in clashes, on dub plates built for clashes, and so on. Sometimes it is not used in such a negative manner, but most of the time one refers to the someone in the crew as a soundman, not a boy.
SOUND SYSTEM: Huge mobile stereo setups manned by DJs, who became celebrities as they traveled Jamaica to host open-air dances
SPLIFF: large, cone-shaped marijuana cigarette
SPRING: to sprout, as of yams or cocos, making them inedible.
STAR: common term of affection, camaraderie
STEP: to leave, to depart, briskly, quickly
STOOSH/STOSHUS: upper class, high tone, "hitey-titey".
STRING UP: a muscial rehearsal
STRUCTURE: body, health
SU-SU: gossip, the sound of wispering.
SUFFERER: a poor person stuggling to survive
SUPM, SINTING: something