An enormous ass on a woman. The size is akin to an SUV.
James: Wow! Look at the size of the ass on that chick!
Heavy N: She's got an AssUV on there.
James: I'd still like to get in. Hahaha.
Noun. A sport utility vehicle that is so enormous when people see it they think to themselves "Fuck you asshole you don't own the road!"
Friend 1: OMG that stupid soccer mom bitch in her huge AssUV almost hit me!
Friend 2: Yeah I hate her she is wasting oil and she is tasteless!