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