What does the cryptic crossword clue "Claims no drunk can display brevity (8)" mean?

The definition is "brevity". The wordplay uses an anagram. anagram of CLAIMS (synonym="drunk") + NO (synonym="NO") = LACONISM The answer is LACONISM.

Claims no drunk can display brevity (8)

Independent Cryptic #11868 | 15 Across | 2024-10-23 flower