gusher

noun

Etymology: From gush + -er. Doublet of geyser.

1. One who gushes (makes an excessive display of enthusiasm, praise, or sentiment).
2. An oil well that has a natural flow and so requires no pumping.

   ““[…]And then I finally realised the art galleries and the restaurants and so on are financed by this gusher of money from Wall Street. Julian Schnabel and Jean-Michel Basquiat and Leo Castelli wouldn't really exist if there weren't rich people who buy that art.””