What does the cryptic crossword clue "Familiar with outside bar I trashed (4,2)" mean?

The definition is "Familiar with". The wordplay uses an anagram. anagram of OUTSDE = USEDTO; definition: "Familiar with" The answer is USEDTO.

Familiar with outside bar I trashed (4,2)

Guardian Cryptic #29298 | 11 Across | 2024-02-06 flower