(taxonomy) neotype

"playful writing", a type of orthography expressing an author's cleverness or playful wit. One famous example is to write the expression 出でば (ideba) as 山上復有山者 (Man'yōshū volume 9, poem #1787)

foreplay

(colloquial) current boyfriend

everything

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all

joke around, goof around / (offensive) bullshit

a back gate / (figuratively) the anus, as a homophone for 肛門 and in contrast to 前門 (zenmon, “front gate”, figurative for vagina)

follow, tag along