セーラー服: (literally) sailor uniform / セーラー服: uniform for middle or high schoolgirl, inspired by sailor uniform

(literally) sailor uniform / sailor fuku: uniform for middle- or high-school girls, typically with a pleated skirt, and a top inspired by sailor uniform

to go; to come to one's place / to (a letter) be delivered / to depart / to rely (on a method) / (年が～) to age / (うまく～) to go well / イく: (slang) to have an orgasm, to come, to cum

past tense and perfective aspect of 行く (iku) [godan]

past tense and perfective aspect of 行う (okonau) [godan]

volitional form of 行く (iku, yuku) [godan]

negative of 行く (iku, yuku) [godan]

hypothetical and imperative forms of 行く (iku, yuku) [godan]

going

(literary) they (about women or girls)