chat-up
chat-up ▶noun [ often as modifier ] Brit. informal an act of talking flirtatiously to someone: a chat-up line.
chat-up line
ch á t-up l ì ne 名詞 C ⦅英 ⦆(異性に近づく時の )切り出し文句, 誘い言葉 (!ほめ言葉や決まり文句; “I think we've met somewhere before. ”など ) .