any object that may be used to transport a person from point A to point B.

Electric whale transports are three or four-wheeled electric carts that people, almost exclusively elderly or morbidly obese, ride around on in stores, malls, or anywhere else that requires walking a distance greater than from the couch to the refrigerator.

(US GOVERNMENT) Agency in the Department of Homeland Security (DHS). Mostly a new entity, which is perhaps the single most conspicuous domestic policy failure of the US government since 2000.

The TSA's job is to inspect baggage carried on flights at 450 international airports in the USA. Implementing this mandate simply consisted of "federalizing" thousands of private-sector employees who had been woefully under-qualified. Initially, the DHS had been formed explicitly to break law enforcement unions (which contribute to fighting corruption in law enforcement, as well as protecting law enforcement officers' rights as employees). In the case of the TSA, this had disastrous consequences for the quality of air travel.

A military term used to describe either your feet or boots. The United States Marine Corps will hump (or hike) for several miles instead of traveling by a vehicle.

This is the tremendously flexible patience you have to use to deal with the sorts of weirdos and headaches you encounter on public transportation

This is another description of a trolley boy. When still at college I collected trolleys for a large supermarket, and this was the job description for that job.
To make sure that the customers have access to a trolley if they require one.

The state of a person's hands after riding on public transportation, such as a bus or train, and holding rails or touching seats. Often ends in the use of hand sanitizer.