1.
sold out; full house; standing room only (with thanks)
An announcement that a venue is completely full, expressing gratitude to attendees. Originally from sumo and kabuki, where a banner with this phrase is displayed when all seats are filled.
Etymology
Literally means "full house — with thanks" (満員 = full capacity; 御礼 = thanks, gratitude). Originally from the world of 大相撲 (grand sumo) and 歌舞伎 (kabuki theater), where a special banner is displayed when all seats are sold.
Usage
Now used broadly for any event, concert, or venue that has sold out. It carries a celebratory tone — the organizers are publicly thanking the audience for filling the venue.