One who handles something (especially manually) or someone.
An advisor or manager to a person occupying a position or office to which the speaker believes the holder does not possess the typical qualifications and/or experience.
A subroutine that handles a particular situation such as an event or exception.
A controller, trainer, someone who handles a specified thing, animal or person (especially a prizefighter).
One who drives quickly or without subtlety, one who often engages in and/or is fond of slamming and flooring the accelerator often.
A driver who does not compensate the throttle position of the vehicle for road conditions or terrain, invariably slowing down while going uphill and speeding up while going downhill.