FOMO
n.— «A lot of giving can be attributed to what my sister refers to as F.O.M.O—the fear of missing out. For a max contribution along with a handsome check to the party committee, a mucky-muck can buy stock early in a candidate.» —“Cutting a Check” by Kevin Arnovitz ESPN: TrueHoop July 18, 2007. (source: Double-Tongued Dictionary)