Refers to three people; when counting people in Japanese, one starts with hitori (one person), futari (two people), and then sannin (meaning three people).
Synonyms for sannin
On this page, you will find 30 slang terms related to sannin. Some of the top words include: chinezso, shiraiwa, namean, da third, Jap Japs, and 25 more.