Ron Hardin wrote in message ...
Dr. Anton Phibes wrote:
"This is really, really [expletive] brilliant," Bono said during
the ceremony, using the f-word as an adjective.
The speech aired live on the East Coast. The FCC said it
received 234 complaints, all but 17 of them from individuals
associated with the Parents Television Council, a nonprofit
group that monitors programs for adult content.

That's an adverb, not an adjective.

Um, no; it is modifying "brilliant", which is a noun. Thus it is an adjective.