(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..."
by bsmechanic September 27, 2008
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
by minaturepolo November 10, 2010