1. Broken. "The teletype scanner was gronked, so we took the system down."
2. Of people, the condition of feeling very tired or (less commonly) sick. "I've been chasing that bug for 17 hours now and I am thoroughly gronked!" Compare broken, which means about the same as gronk used of hardware, but connotes depression or mental/emotional problems in people.
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Nearby terms: groff « grok « gronk « gronked » group » Group 3 » Group 4