n. A person (male or female) you're seeing/dating and have an affectionate relationship with. Not a one nighter or fuck buddy. Someone you don't mind hugging or kissing in public. Sometimes (in DC) used inter-changeably with "boo".
v. To meet up with the aforementioned person and do warm fuzzy couple things, such as watch a movie and/or cuddle. To bun.
N. Homie#1 - Yo, dawg, who was that girl I saw u with at the movies?
Homie#2 - Pssshh. You don't know? That was my bun.
V. Homie#1 - Ay, dawg, you hanging out tonight?
Homie#2 - Nah. I'm bunnin' with my girl tonight.