Definition of "punch in" []

• To enter a workplace by punching a time card (verb)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "Kate would be mortified if she had to serve punch in teacups—"
• "Mr. Ando is an iconoclast, a punch in the stomach to Japan's establishment."
• "Daniel reached to punch in the radio frequency to notifyAnkaracenter inTurkeythat they'd crossed over into their airspace."