What it means
It means handling two things with one move, one little life-hack swing and both jobs are sorted. People say it when they want to sound clever, efficient, or just a bit smug about timing things nicely. Proper common idiom in everyday English, whether it's errands, work stuff, or sneaking exercise into your commute.
Usage examples
"I’m popping Tesco and dropping your parcel at the Post Office, two birds with one stone. Might grab a chippy tea too if the queue’s not murder."
"I'll drop the parcel on the way to the dentist and kill two birds with one stone."
"Cycling to work kills two birds with one stone, exercise and the commute sorted."
"I booked the catch-up near my office so I could kill two birds with one stone and dodge the trek back out later."
"If we're already at Mum's, let's drop Nana's meds round too and kill two birds with one stone."
Where it comes from
This one goes back centuries in English and comes from the literal image of bringing down two birds with a single stone. The wording has been around since at least the 1600s. Over time it stuck as a neat way to say one action solves two separate problems at once.
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