Somebody who is over all annoying, with a variety of other possible side affects. They typically never get any romantic relationships. They often do annoying things randomly, with zero context. Example: unfunny your mom jokes, random cringe songs out of nowhere, and rick rolls. They will almost always think they are hilarious, cool, or both.
You are such a Baby Boo! Why do you rick roll me every day?
The dude you get together with while he’s in prison cause he calls you on a string of collect calls.
Alyssa started dating a dude while he’s in prison, he is her prison boo.
Boo dub - when a bartender totally messes up your drink order.
George - "hi mate, yaright? Can i get one of them brew dogs please?"
Bartender - "boo dub?"
"Ahhh luke, that guy totally boo dubbed my order man, ffs son. Should i go back and shovel fuck his head?"
"Naaah mate just leave it, i know where he lives anyway, we'll fucking egg his house later"
When you do something dumb while drinking
I was a victim of the boozy boos and texted him when I left the bar last night
When someone (usually a homewrecker/hoe) goes out of their way to try to gain the attention of a member in a (relatively unhealthy) relationship and "snatch" him/her from the other member.
Note: If the member is succsessfully boo snatched, they are usually dogs and not worth the other member's time
Crissy's hoe ass Boo Snatched Quavious from Nayla.