煲bou1老lou5藕ngau5

English

1. (slang) a younger man in a relationship with older woman
2. to negatively describe a young man having a relationship with a much older woman; literally "to boil old lotus root"

粵語 — Cantonese

1. 年輕男子同年長嘅女人拍拖；帶貶義

Examples

• 讀緊中六同個四十五歲嘅女人拍拖，仲唔係煲老藕？

  A form 6 student having a relationship with a 45-year-old lady? Isn't that a typical case of "boiling-lotus-root"?