ride herd on

free ride

An opportunity or benefit which has no cost, especially one enjoyed or undertaken at the expense of others.

full ride

A scholarship that covers all tuition, and in some cases fees or other educational and living expenses as well.

go along for the ride

To accompany someone in a passive manner, or to take a relatively passive or detached role in a project or group activity.

herd cats

To attempt to control the uncontrollable; to attempt to manage a great many unruly factors or people to a single end.

Nantucket sleigh ride

An instance of the dragging of a whaleboat across the surface of a body of water by a harpooned whale.

ride down

To cause (a horse) to fall when riding.

ride hard and put away wet

To mistreat (someone or something); to not properly care for.

ride high

To enjoy good fortune; to be in a privileged situation; to be particularly happy or proud.