This is an American expression which can be used in a number of ways:
1 To obtain an item, by purchase, borrowing or other means;
2 To initiate contact or communicate with a person or persons or an organisation;
3 To understand or appreciate an idea, concept or theory;

The British use the expression get hold of in a similar way.

A deranged, poorly-planned attempt to seize power; particularly if an election does not turn out in your favor.