A guest who overstays will cease to be welcome.

The England national football team

(Wikimedia jargon) On the English Wikipedia, a rule that states that an editor must not perform more than three reverts on a single page—whether involving the same or different material—within a 24-hour period.

(dated) A man who can drink a lot of alcohol without becoming noticeably drunk.

plural of three-bottle man

plural of three-legged

(plural only, informal, Canada, US, politics) Canada, Mexico, and the United States.

plural of three L

(historical) Free sale, fixity of tenure, and fair rent: the three demands of the Irish Land League.

Synonym of two's company, three's a crowd