#wby

What does "wby" mean?
WorkoutsByYou, WalterBrandedYa, WilliamButlerYeats, WannaBeYou, WorryBoutYou, WhatsBuggingYou, WannaBeYours, WannaBeYoutuber, with_bawean_y, WeBeYachting, WhatBothersYou, WhyBaptisteYoga