What does it mean when alignment guy says..

[Topless]

Originally Posted by Timco

Can't bring in camber on rears (1.8* off) without messing up toe? What has worn out?

Rear tires are wearing bad on inside edges.

Sounds like the rear suspension is bent. Maybe someone tagged a curb while exploring the limits of oversteer. Sometimes you can put it up in the air and see the problem right away, sometimes it requires careful measurement and process of elimination. Several possible components causing alignment problems.