What does the cryptic crossword clue "Dean and Reg stirred up in a fury? (7)" mean?

The definition is "in a fury?". The wordplay uses an anagram. anagram of DEAN + REG = ANGERED; definition: "in a fury?" The answer is ANGERED.

Dean and Reg stirred up in a fury? (7)

Daily Mail Cryptic #17280 | 18 Down | 2024-01-26 flower