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

See Examples For:

come on in

Nebius will pay up to $2.6 billion over the term of the agreement, which is expected to come on in three phases, each with a supply term of 10 years.

From Barron's ● May 21, 2026

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

From BBC ● Apr. 1, 2026

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

From Slate ● Feb. 1, 2025

But he has come on in "leaps and bounds" at college, according to his family, making more progress in the past two years than at any stage.

From BBC ● Dec. 3, 2024

They glance at the door to the dining room, and Dad says, "Well, come on in here and let's see what's the matter."

From "Things Not Seen" by Andrew Clements