visibility whip
n.— «Beatty Brasch of Omaha said her assignment at the Democratic National Convention is “visibility whip,” or cheerleader, of the Nebraska delegation. “It is extremely important that we demonstrate at the right time and that we are spontaneous,” she told the delegation.» —“‘Dukakis Can Talk State Issues’ Kerrey Backs National Ticket” Omaha World-Herald (Neb.) July 19, 1988. (source: Double-Tongued Dictionary)