Sure, the universe of Americans willing to plunk down for an electric sports car is small.
Indeed the Clatawa crowd had the money ready to plunk down when the psychological pitch of Sam's Dutch courage had arrived.
1805, "to pluck a stringed instrument;" 1808 in sense of "drop down abruptly;" 1888 as "to hit, wound, shoot." Probably of imitative origin in all cases. Related: Plunked; plunking.
[1839+; fr the hard striking of the plank of a table]
A dollar: my five thousand plunks (1891+)
To shoot (1888+)