Definition of 本番行為 (ほんばんこうい)

noun
sexual intercourse (esp. with a prostitute), actual sex (in movies, etc.)(slang)
Related Kanji
book, present, main, origin, true, real, counter for long cylindrical things
turn, number in a series
going, journey, carry out, conduct, act, line, row, bank
do, change, make, benefit, welfare, be of use, reach to, try, practice, cost, serve as, good, advantage, as a result of