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Someone you have an unofficial relationship with. You could be "talking" to them, you don't call them your friend, and you don't call them your boyfriend/girlfriend, you call them your "boo thang". Pretty much someone you care about/love/have feelings for.
Friend: What's the relationship status between you and him? I heard you guys were dating.
You: No, not yet. He's still my boo thang.
by ihateblake January 10, 2012
is a female that is not your girlfriend, but you share some type of relationship with her; you repect her and got luv for her.
"you talked to kyniska lately." "yea I talked to ma boo thang last night."
by KYLETTE October 10, 2007
A word used as a sign of affection for someone.

"Wassup wit it boothang?"
"Not much just kickin it boo"
by wuski March 18, 2008
A relationship with someone special who you do your thang with; You respect & got love for em.
“You in a new relationship now? Na, that’s just my boo-thang!”
by rainmakersCHI August 23, 2011
1:a boy or girl you like spending time wit an he or she always go yo back an you always got his or her back.

2:a person who makes you smile; a person you have feelings of warm personal attachment or deep affection for.

ay im wit my boo thang i`ll call u later
ay im wit my boo thang i`ll call u later
by the 1 you`ll never forget October 11, 2012
A term for a close friend, object of attraction, or close boy/girl friend.
Heyy is that your girl?
Nawh thats my boothang :]
by FayJai December 26, 2009
A retarded made up word a slut or player uses so they can get what they need no strings attached
Your in a relationship? Hell no that hoe is just my boo-thang till i find the right one
by NorCali4nia January 20, 2012