To give someone a ride. It used to be used in the context of the bicycle, when you rode and had your passenger sitting on the handlebars. Now it applies to any form of transportation where a person getting a ride is getting the "tow", including cars, motorcycles, shopping carts, etc.
Your significant other and dependents (children). People with whom an individual is responsible for or to, immediate family. In the tone of ;ball and chain'.
ED: "TOW likes to think of themselves as the 21st century's answer to the Library of Alexandria, but, in reality, they fall somewhere closer to the collective scribblings on a truck stop bathroom wall."
