EXAMPLES FROM THE WEB FOR GUSHER
In the course of a year or two, the first "gusher" was discovered.
They're liable to bring in a gusher that'll send the price soaring.
We were obliged to say that we had not the pleasure of Mr. Gusher's acquaintance.
He knew that the Gusher told every Woman the same thing, playing no Favorites.
Of these two Friends, one was a Gusher and the other a Grouch.
Then her lips motioned and her finger pressed on Mr. Gusher's arm.
Mr. Gusher looked at the little woman with an air of surprise and astonishment.
Mrs. Chapman had not noticed the singular change in Mr. Gusher's manner.
Romer paused for a moment, but kept his eyes fixed on Gusher.
When dinner was over Mr. Gusher escorted Mattie back into the parlor.
"oil well that flows without pumping," 1886, agent noun from gush. Earlier in a sense of "overly effusive person" (1864).