I came across this word in a biography of the Beatles and I can't grasp its meaning, so I would be grateful to anybody who could try to explain it to me. I looked up various definitions in a dictionary, but none seem to fit this. The following is an extract from the book:
She said Michael was going to be a leader of men. I think this was because he was always arguing. Paul did things much quieter. He had much more nonce. Mike stuck his neck out. Paul always avoided trouble.