ナンパ

なんぱ
noun / suru verb
to hit on; to pick up; flirting
1. to hit on; to pick up; to flirt with strangers
The act of approaching strangers (typically women) in public places to try to get their attention romantically.
ナンパされた。
I got hit on.
渋谷(しぶや)でナンパする。
To pick up people in Shibuya.
ナンパには()をつけて。
Be careful of people trying to pick you up.
2. a person who hits on others; a flirt
Someone who frequently tries to pick up strangers.
(かれ)はナンパだ。
He's a flirt.
ナンパ()にはなりたくない。
I don't want to become a pickup artist.
ナンパな(おとこ)信用(しんよう)できない。
I can't trust guys who are always hitting on people.

ナンパ comes from 軟派(なんぱ), originally meaning a "soft faction" in politics, later applied to frivolous or romantic pursuits.

REGISTER:
This is casual/colloquial language. The activity often has negative connotations.

COMMON PATTERNS:

  • ナンパする: to hit on someone
  • ナンパされる: to get hit on
  • ナンパ(): pickup artist
  • (ぎゃく)ナン: when women hit on men (reverse nanpa)