bo
/boʊ/
noun
- A close male friend or buddy.
- I'm meeting up with my bo after work.
- Hey bo, want to grab lunch later?
- He's my bo from way back in high school.
interjection
- Used to startle or scare someone, often playfully.
- Don't sneak up on me like that and say bo!
- He crept up behind his little brother and yelled 'Bo!'
- She jumped out from behind the door and shouted 'Bo!'