(literally: pineapple chicken); someone who is keen on clinging on to others in order to gain benefits
Definitions (粵典–words.hk)
名詞
歇後語：一味靠黐；形容專靠打關係佔人便宜嘅人（量詞：隻） scrounger; exploiter; person who takes advantage of others by exploiting personal relationships
你唔可以一世都做波羅雞㗎，你要諗下自立門户。
你唔可以一世都做波罗鸡㗎，你要谂下自立门户。
nei5 m4 ho2 ji5 jat1 sai3 dou1 zou6 bo1 lo4 gai1 gaa3, nei5 jiu3 nam2 haa5 zi6 laap6 mun4 wu6. You should not keep sticking to others for the whole life, you have to learn how to stand on your own.