白嫖 [－－]

Jyutping baak6 piu4
Pinyin bái piáo

Definitions (Wiktionary)
  1. verb
    to visit a prostitute without paying money
  2. verb, neologism, slang
    to receive goods and/or services without paying
  3. noun, neologism, slang
    fan who expresses vocal support for one's idol but makes no expenditure for them