frog hair

noun2

1. •
   The closely mown grass that surrounds a putting green, between the putting surface and any rough that might also surround the green.
2. •
   (US, slang) Money contributed to a campaign.

   • Disturbingly, many of the plaque owners were contractors or architects who stood to benefit from making political contributions — "frog hair," as such funds are known locally. — 1974