going top rope comes from wrestling - it means completely demolish or eradicate with vigor -
Dude1: Did you see Red get in a fight at Shelby's last night?
Dude2: If you can call it a fight, I guess I did. He went fucking top rope on that twat waffle.
After a marathon 8 hour Wedding Prep class to satisfy the Catholics, Steve went top rope on a 6 pack to regain his testicles.
Brain dead .. stupid move .. wish ya never did.
Fuck man ... I can't believe I rooted that fugly biatch .. I must have came right of the top rope ...