Wiktionary
chat-up line
n. pick-up line
Usage examples of "chat-up line".
Death's opening chat-up line in His great seduction, before He drugged you with soporific comforts, distracted you with minor luxuries and ensnared you with long-term payment plans.
Dave, the uncrowned king of the chat-up line, marched straight over to the fat girl and introduced himself.
I didn't mean it as a pathetic chat-up line, or indeed any sort of a chat-up line.