"Backing that thang up" is a term used to define when one simply backs up their massive load of tooshie. (Example: "I like the way you dance girl, back that ...
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What does back that up mean?
What does Thang mean in slang?
What does back it up mean in slang?
What does back up mean in slang?
Jul 9, 2019 · There are three very different meanings depending on context. 1. "back that up" means to support something with proof.
Apr 11, 2008 · Just to clarify, "back that thing up.." has sexual connotations. It's something a guy says to a girl while dancing, or during foreplay. It ...