Similar to "Yo, DJ". Bo in this case is a salutation and/or interjection and "selector" is a name for someone who "selects" which records to play - like a DJ.
A boss ass bitch that dont play these little kid games. Shes flawless asf and shes a nice, loving person. She can beat bitches ass real quick. If you annoy her she will pop on yoo ass so you better watch out lol. She protects her friends if a bitch messes with them then they are dead. Do you want a friend like seleca