cowboy
US /ˈkaʊ.bɔɪ/
UK /ˈkaʊ.bɔɪ/

1.
2.
irresponsável, imprudente
a reckless or irresponsible person, especially in business or politics.
:
•
He's a real financial cowboy, taking huge risks with other people's money.
Ele é um verdadeiro cowboy financeiro, assumindo grandes riscos com o dinheiro dos outros.
•
The company was run by a bunch of marketing cowboys.
A empresa era administrada por um bando de cowboys do marketing.