To have ones bollocks pulled to the point of no return, kindof like on back to the future, but not.
woah, nigel, your bollocks are so low, it looks like you've had a nutwrench
(verb): to hijack a conversation; to initiate a ballsy segue
"Did'ja see how that there guy nutwrenched the conversation? From 'Sarah Palin', to 'parasailin'! Jeez..."