noun
performance; take; going before an audience or on-air
Colloquial term for the real performance or recording, as opposed to rehearsal or practice. Often used in broadcasting, theater, and music.
See also: 本番 (ほんばん)
リハーサルはうまくいったけど、本チャンで緊張してしまった。
The rehearsal went well, but I got nervous during the actual performance.
noun
Used for the real game or match (as opposed to practice), or the peak season for something. Also refers to a decisive moment.
See also: 本番 (ほんばん)
練習試合じゃなくて、本チャンの試合で勝ちたい。
I want to win in a real game, not a practice match.
noun
height of the season; actual event; real deal
Refers to the peak period of a season (e.g., summer, holidays) or the actual event/celebration itself, as opposed to preparation or off-season. Also used for something genuine.
See also: 本番 (ほんばん)
夏休みの本チャンは8月だ。
The real height of summer vacation is August.
noun
actual sexual intercourse; penetration
Slang for real sexual intercourse, as opposed to simulated or foreplay. Strongly colloquial and may be considered vulgar.
See also: 本番 (ほんばん)
AVでは本チャンのシーンはモザイクがかかっている。
In adult videos, scenes of actual penetration are mosaicked.
本番 is the standard, non-slang equivalent. 本チャン is a colloquial variant with a more casual, sometimes playful tone. 本番 is used in formal contexts, while 本チャン is mainly used in informal speech.
Colloquial variant of 本番 (ほんばん), with 番 replaced by the diminutive suffix ちゃん (often written in katakana as チャン). The exact derivation is uncertain, but it likely originated as slang in entertainment or sports circles.