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

This summer two penalty takers have come on in stoppage time at the end of extra time and not had a touch before the final whistle.

From BBC ● Jul. 11, 2026

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

After sending out a letter last month urging people having trouble with the online system to come on in, Adjian said, the administration then eliminated any kind of walk-in appointments.

From Los Angeles Times ● Apr. 9, 2025

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

From Slate ● Feb. 1, 2025

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