What does it mean to “Rep” something or to be “Reppin'” something?
The slang term “Rep” is a verb “Reppin” (also spelled Repping) is a noun, which is used to reference support or love for something, a place, or someone.
Rep means representing.
Reppin' means to be representing something or someone.
“Reppin‘ it” means to be “Representing it.”
Read: What does “Plug” mean?