Definition of "bf"

bf

noun
countable and uncountable, plural bfs
1. (Internet slang) Initialism of boyfriend.
  Quotations
  This bf style is sooo comfy; it's super oversized and the waffle material is ideal for all the chill days around the corner. PS: get the shorts, too.
  2023 November 4, Kim Duong, Megan Uy, Tarah-Lynn Saint-Elien, “22 Best Shackets to Get You Through the Chilly Fall Weather”, in Cosmopolitan‎
2. (Internet slang) Initialism of best friend.
3. (proofreading) Initialism of boldface.