What does the cryptic crossword clue "Popular culture of the 1980s, in spring (3-3)" mean?

The wordplay uses a charade (building blocks). HIP (synonym of "Popular culture of the 1980s,") + HOP (synonym of "spring") The answer is Hip-hop.

Popular culture of the 1980s, in spring (3-3)

Telegraph Prize Cryptic #3114 | 17 Down | 2021-06-27 flower