お出ましだ

has arrived

→ 御出座
phrase Rare #45,389
has arrived Often used playfully or sarcastically to announce someone’s arrival or appearance; the honorific-sounding wording can make it feel humorous.
JA: やっと先生のお出ましだ。
EN: The teacher has finally arrived.

"ようやくお出ましだ"

Look who finally decided to show up.

— グッバイ、レーニン! (2003)

お出ましだ

Here he comes.

— M - Eine Stadt sucht einen Mörder (1931)

イタリア空軍のお出ましだ

Here comes the Italian Air Force.

— 紅の豚 (1992)