- someone, especially a gambler, who pretends to be important but actually has little money, influence, or skill.
- cheap and insignificant; small-time: a tinhorn racket.
- a cheap pretentious person, esp a gambler with extravagant claims
- cheap and showy
adj.“petty but flashy,” 1857, from tin + horn (n.); originally of low-class gamblers, from the tin cans they used for shaking dice.