a person or thing of exceptional interest or merit.
2.
something unconventional, sensational, or daring:
This movie is hot stuff.
3.
a person who is erotically stimulating or is easily aroused sexually.
Origin
1750-60
British Dictionary definitions for hot stuff
hot stuff
noun (informal)
1.
a person, object, etc, considered important, attractive, sexually exciting, etc
2.
a pornographic or erotic book, play, film, etc
Slang definitions & phrases for hot stuff
hot stuff
noun phrase
A person of exceptional merit, talents, attractions, etc; hot shot •Almost always used ironically: I guess they think they are hot stuff/ Don't you think I'm hot stuff(1889+)
aterial, entertainment, etc, that is very exciting, esp salacious: Those magazines are real hot stuff(1904+)
Stolen goods; contraband (1924+ Underworld)
News or information that is very important, fresh, sensational, forbidden, etc: I peeked in your briefcase, and that's hot stuff!(1931+)
Food, drinks, etc, that are very hot: Hot stuff coming through(1940s+)