treat (someone or oneself) to (something)
To pay for or provide something to someone or oneself as a special gift or treat. She treated all the kids to ice cream after the movie. I decided to treat myself to a nice meal after getting such a good result on my exam.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
treat someone to something
to provide and pay for something for someone as a gift or as entertainment. I will be delighted to treat you to dinner. After the play, they treated themselves to pie and coffee.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
To provide someone with some food, entertainment, or gifts at one's own expense: She treated her brother to dinner and a movie. I treat myself to a day in the country once in a while.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.