What does the cryptic crossword clue "Repelling goat making another attack? (9)" mean?

The wordplay uses a charade (building blocks). RE (synonym="RE") + BUTTING (synonym="BUTTING") = REBUTTING The answer is REBUTTING.

Repelling goat making another attack? (9)

Guardian Cryptic #29590 | 19 Across | 2025-01-13 flower