noun:

• businesses offering food and entertainment; cabaret, club, gambling and restaurant businesses
• sex industry; sex-related businesses

noun / ~と adverb / adverb:

• sound of typing on a keyboard - onomatopoeia

noun / ~する noun:

• having sex - onomatopoeia

godan ~む verb:

• to hold fast deep in (one's mouth or other orifice, often used in a sexual context)
• to bring in a man for sex

expression / godan ~く verb:

• to spread one's legs
• to agree to have sex (for a woman)

noun:

• bare thighs; inner thigh
• intercrural sex

noun:

• sleeping under the stars - colloquialism
• having sex outdoors

godan ~う verb:

• to love one another; to be affectionate towards each other
• to have sex; to make love

noun:

• dirty joke; blue joke
• indecent topic; bawdy subject; sex talk

noun / ~の noun:

• pink
• erotic (usually used in relation to the sex industry); blue; pornographic

noun:

• passion; sexual desire; lust
• attachment (esp. to one's family or a member of the opposite sex) - Buddhism term

noun:

• black suit; mourning clothes
• black-suited staff member (e.g. in restaurant, sex establishment, etc.)

noun:

• rotor
• love egg; egg vibrator (sex toy)

godan ~る verb / transitive:

• to do; to undertake; to perform; to play (a game); to study - colloquialism ➜ 為る【する】
• to send; to dispatch; to despatch
• to put; to move; to turn (one's head, glance, etc.)
• to give (esp. to someone of equal or lower status); to let have; to present; to bestow; to confer
• to make (a vehicle) go faster
• to run (a business); to keep; to be engaged in; to practice (law, medicine, etc.); to practise
• to have (food, drink, etc.); to eat; to drink; to smoke
• to hold (a performance); to perform; to show ➜ 演る
• to ease (one's mind)
• to harm; to injure; to kill - colloquialism ➜ 殺る
• to have sex with - slang ➜ 犯る

godan ~る verb / intransitive verb:

• to live; to get by; to get along ➜ やって行く・やって来る

suffix / godan ~る verb:

• to do ... completely - after the -masu stem of a verb, often in the negative
• to do ... broadly; to do ... to a great distance - after the -masu stem of a verb

auxiliary verb / godan ~る verb:

• to do ... for (someone of equal or lower status); to do ... to (sometimes with negative nuance) - after the -te form of a verb
• to make active efforts to ... - after the -te form of a verb

noun:

• laugh; laughter ➜ 笑う
• smile ➜ 笑う
• sneer - esp. 嗤い ➜ 笑う
• sex aids (e.g. dildos, pornographic books, erotic woodblock prints, etc.)

godan ~る verb / transitive:

• to dig; to excavate; to hollow
• to delve into
• to dig up (e.g. vegetables)
• (for two men) to have anal sex - slang - vulgar

godan ~む verb / transitive:

• to challenge to (a fight, game, etc.); to throw down the gauntlet; to contend for

godan ~む verb / intransitive verb:

• to tackle (e.g. a problem); to attempt; to go after (a prize, record, etc.)
• to pressure (someone) for sex; to make advances to

noun:

• performance; take; going before an audience or on-air
• game; season; crucial moment
• penetrative vaginal sex (with a prostitute); unsimulated sex (in an adult movie)

noun / ~する noun:

• development; growth; expansion; extension; flourishing
• development (of a situation, story, etc.); advancement; progression; unfolding
• playing around; having an active sex life - recently often associated with gay sex ➜ 発展場

godan ~う verb / intransitive verb:

• to collude (with); to conspire (with)
• to make friends with; to get along well with
• to become intimate (with opposite sex); to establish a secret liaison (with)

adjective:

• dull (e.g. a knife); blunt ［にぶい］
• thickheaded; obtuse; stupid - のろい is usu. in kana
• dull (sound, color, etc.); dim (light) ［にぶい］
• slow; sluggish; inert; lethargic
• indulgent (esp. to the opposite sex); doting ［のろい］