(informal) six

(derogatory, ethnic slur) whitey (Caucasian)

a male AV actor who provides semen when needed

the Siddham script

sixty-nine (sex position)

(Buddhism) Siddhartha

A Japanese word game wherein each player must produce a word that begins with the kana that the previous player's word ended with. Only nouns may be used. Words may not be repeated, and a player who chooses a word ending in ん (n) loses, since no normal Japanese noun begins with ん (n). Word chain.

a sylph (the elemental being of air)

Short for 親不知歯 (oyashirazu-ba, literally “parents not-knowing tooth”). a wisdom tooth (from the likelihood that the wisdom teeth do not erupt until after no longer in daily contact with one's parents, due to moving or death)

A cliff-lined coast in Itoigawa, Niigata Prefecture, Japan / A cliff-lined coast in Shizuoka, Shizuoka Prefecture, Japan