Fig.[for a vehicle] to turn in a very tight turn. This car can turn on a dime. I need a vehicle that can turn on a dime.
turn on a dime
to change direction very quickly The economy is not likely to turn on a dime between now and the end of the year. We never knew what our father would decide because his opinions could turn on a dime.
turn on a dime - have a small turning radius; "My little subcompact car turns on a dime!"http://en.wiktionary.org/wiki/turn_on_a_dime
1. (US),(intransitive) to have a small turning circle
turn on a sixpence (British)http://forum.wordreference.com/showthread.php...
To "turn on a dime" is usually an expression you hear when referring to high performance cars, airplanes, boats, etc. Since a dime is the smallest U.S. coin, the ability to "turn on it" is a figure of speech meaning you can change direction very quickly in a very small space.