Last name associated with soccer obsessed douchebags. Usually are Yankee fans who don't even live in New York. They'll love any Carolina team regardless if they suck or not. You can spot them easilly because they'll have outdated Yankee gear on with a pool stick in their mouth.
Guy #1: Hey look at that guy over there. He has a Yankee hat on with a Carolina jersey.
Guy #2: Haha, He must be a Donnelly.
Guy #1: Why do you say that?
Guy #2: Because all Donnellys are douchebags.