you'll often see this on stan twitter or anywhere because most of celebrities are known as "best boys". why? because we use the word to say someone is the best.l and who wouldn't want to call their fav the best.
jungkook best boy
best boy is ryan (jjks07)
jjks07 aka ryan aka best boy is the best
The term best boy is commonly referred to the Electric Guitarist of popular Korean rock band, Jae (Park Jaehyung) of Day6, who debuted with Congratulations in 2015.
"He is the Best Boy"
"That's Best Boy behavior"
Jang Dong Il (D1) from Boygroup DKB is the defintion of BEST BOY, and if you have watched Peak Time, then you know why
Random Boy "have you seen PEAK TIME?"
Random Girl "OFC, i had to see the best boy D1"