come on in

Idioms  

1. Please enter, as in Come on in, the door's open. This phrase is simply a friendly request to enter one's house or some other place. The related come on in, the water's fine originated as an encouragement (or, sometimes, a command) to a reluctant or fearful swimmer but has been extended to other activities, as in Come on in, the water's fine—this is a great office to work in!

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Example Sentences

Manuel Ugarte, Ayden Heaven and Joshua Zirkzee have all come on in four games or more.

From BBC • Apr. 1, 2026

Old, who had come on in the 64th minute, received a cross and only needed to tap in to level the score.

From Barron's • Nov. 16, 2025

If you’re punchdrunk and disoriented this week, come on in.

From Slate • Feb. 1, 2025

And there’s two meanings in that for me, which is like, come on in and sit down and listen to my record.

From Los Angeles Times • Oct. 17, 2024

The lights had come on in the room, but Ray Charles was still playing through the speakers.

From "Night Owls" by A.R. Vishny