[にいさん(P);あにさん, niisan (P); anisan](n) (1) (hon) (See お兄さん) older brother; elder brother; (2) brother (as older-brother figure in friendly and or work relationship); (3) (vocative) young man; buddy; fella; laddie; (P)#19584[Add to Longdo]
[ヤリとも(ヤリ友);やりとも(やり友;遣り友), yari tomo ( yari tomo ); yaritomo ( yari tomo ; yari tomo )](n) (vulg) fuck buddy; someone with whom one is not romantically involved but frequently has sexual relations with anyway[Add to Longdo]