The DHS secretary will likely survive her "the system worked" flub.
"I seem to flub everything," I remarked, unaccountably nettled.
When a half-grown girl, a half-baked boy, a flub like Mulready—damn his eyes!
And all confessed and joined his party, and he was known as the wisest king of the flub Dubs.
1924, American English, perhaps suggested by fluff, flop, etc. Related: Flubbed; flubbing. As a noun, by 1952.