1) A boul person is a nonchalant cool dude.
2) To chill./To cool
3) Philly slang used to refer to a young person.
1) Girl: “Why you been ignoring me?” Boy: “Baby, i’m bool.”
2) Person 1: “What were you doing yesterday?” Person 2: “Boolin.”
3) Man: “Ayo young boul come here!”