The waitress is **trolling for** tips.

What does “troll for” mean in this sentence? Is it a common phrasal verb?

Question

The waitress is **trolling for** tips.

What does “troll for” mean in this sentence? Is it a common phrasal verb?

Answer

Some nouns work like an ing form.
I think so it is this case.

Answer

Troll has dictionary meanings of to fish and to search.

“Fishing for compliments” is a common phrase.  Presumably, the speaker/writer means “fishing for tips” (encouraging the customers to leave tips (money).