neo = new
con = conservative or convict
Thus, new conservative, or new convict. ;)
New conservative is totally wrong, since, you can’t be a new conservative if you were something else prior to that; you need to have been a RINO after being a liberal. One step at a time. ;)
They also tend to be sons of famous conservatives, which means they didn't come to the party on abstract principles alone. Possibly, they have to distinguish themselves from their fathers in some way.