Wiktionary
on a dime
prep.phr. (context US English) Within a very short distance.
Usage examples of "on a dime".
The flivver stopped on a dime before a huge double door and Prosser tumbled out, followed by the other two at a more leisurely pace.
He happened on a dime, set his cup back up again, and dropped the dime in.
The dragon was now beyond them, being unable to turn on a dime in mid-dive.
It's not just hit the ball in the air and land it on a dime on the green knowing it will stay there.
It's the type plane that Charlie could land or take off in on a dime.