Re-nig

I hope that you are not calling to re-nig on my contract.

She knew she had thought out loud by accident, but it was too late to re-nig on her comment.

I'm trying to manage all of the aviation quotas for flight school by myself and then out of the blude USAABAR calls and says 'John, we're going to have to re-nig on our commitment to come out. We're having trouble in Europe and we can't furnish anybody for you.'