What does the cryptic crossword clue "We hear Oscar's agent did lose all control (3,4)" mean?

The wordplay uses a charade (building blocks). RUN (synonym="RUN") + WILD (synonym="lose all control") = RUNWILD The answer is RUNWILD.

We hear Oscar's agent did lose all control (3,4)

Guardian Cryptic #29073 | 23 Across | 2023-05-18 flower