That's the name of the girl whose arm Paul signed. Beatles Examiner Steve Marinucci offers more details.
Everything happened after "Calico Skies," as Paul surveyed the signs in the crowd. ""I held it up during that song and the first time he looked at it after the first verse, he got this really puzzled look on his face like he was really confused. Then he kept looking down at me during the rest of the song and then he … " Her voice trails off and all she can say it, "Yeah, aw man…" ...
What happened after that is like a blur to McCombs.