What it means
Zonked means completely wiped and barely functioning, or already fully out cold. It’s stronger than just tired. Your brain’s clocked off, your body’s packed it in, and you’ve basically hit the human off switch. Works for brutal shifts, long flights, big nights out, or any day that’s rinsed you dry.
Usage examples
"After that double shift I got home, kicked my shoes off, and was zonked by eight, telly still on and curry untouched."
"After the night feeds with the twins in Bristol my wife was zonked by half seven on Sunday evening, telly on, cup of tea cold, head on the cushion, and the dogs deciding she was their new bed."
"Three days of moving house in Birmingham left me proper zonked, I sat down on the new sofa to eat a chip butty and woke up at midnight still holding the paper bag in my left hand."
"I was so zonked after that red-eye I fell asleep in my hoodie before I'd even plugged my phone in."
"Mate did a twelve-hour shift, came home, sat down for one minute and was absolutely zonked on the sofa."
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Where it comes from
Zonked grew out of the older verb zonk, which showed up in American English in the 20th century with the sense of knocking someone out or leaving them stunned. From there it slid naturally into everyday slang for being totally exhausted or asleep, with that shut-down, no-battery-left vibe.
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