いちゃつく

godan verb (-ku), intransitive verb

make out; neck; canoodle; fondle each other; flirt

Casual, often playful term for physical intimacy between couples, ranging from light flirting to heavy petting. Typically used for public displays of affection.

• 公こう園えんでカップルがいちゃついている。

  A couple is making out in the park.

• 教きょう室しつで