cap off

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cap off

To finish something, often in a particularly good or bad way. A noun can be used between "cap" and "off" or after "off." Come on, we need to throw one last party to cap off our senior year! And then, to cap the terrible evening off, the waiter dropped my dinner in my lap!
See also: cap, off
References in periodicals archive ?
Werth, who had made one pinch-hitting appearance on opening day before straining an oblique muscle in batting practice before Game 2, had a triumphant return, capping it off with his third major-league homer to lead off the ninth.