birthday boy

Noun

birthday boy (plural birthday boys)

1. A man or boy who is celebrating their birthday.
   • The party was to be from two to five o'clock, and Sunny Boy, in his best white flannel suit, and carrying Oliver's present under his arm, started about quarter of two for the birthday boy’s house.1922, Ramy Allison White, Sunny Boy and His Playmates, The Echo Library, published 2006, page 49
   • The birthday boy was a 65-year-old man who was half-asleep.2005, Stephen Kogon, Max Mooth—Cyber Sleuth and the Case of the Zombie Virus, page 90