What does the cryptic crossword clue "Stewed rat eaten by mad English people like us (10)" mean?

The wordplay uses an anagram. anagram of RAT (synonym="RAT") + ENGLISH (synonym="ENGLISH") = EARTHLINGS The answer is EARTHLINGS.

Stewed rat eaten by mad English people like us (10)

Guardian Cryptic #29463 | 5 Down | 2024-08-16 flower