Said of a person, it may indicate a skilled performer in a sport (such as golf, basketball or baseball) that involves shooting or aiming, or more generally a skilled workman. As a slang term, it designates a skillful, showy, fast-working and aggressive person, unusually good or extraordinary or formidable, especially one holding a position of importance or prominence by exercise of skill, adroitness, showiness and aggression. Sometimes called hot stuff (slang) or hotshit (usually considered vulgar).
In delivery/business, a hotshot is a replacement for a sold out product that was not restocked due to a failure to order more.
In railroading, a hotshot is a colloquial term for a fast, nonstop, through freight train scheduled to travel a long distance at high speed, usually hauling merchandise or perishables. Generally such trains are given priority over slower local trains, which are stopped or moved to another track to let a hotshot train pass. See: Rail terminology.
In non-rail transit delivery, hotshot is a colloquial term for a type of delivery that is reserved for immediate need and is very costly. Typically, a specific item or items will be ordered for hotshot and the seller will immediately place those items en route with a dedicated carrier for direct delivery. Common in medical and other time-sensitive fields.
A very fast airplane or vehicle may be called a hotshot.
In wildland firefighting, a hotshot crew is a term for a 20-person hand crew specially organized to travel from fire to fire across the country in remote areas as needed. Originally a colloquial term for interagency or interregional fire crews in the United States, "hotshot" is nowadays the official term for such crews. Hotshot is also the term for an individual member of a hotshot crew. See: Glossary of wildland fire terms.
Hotshot is a term often used by farmers and ranchers in reference to an electriccattle prod, in order to distinguish them from a regular fiberglass prod.