If you say that someone is bolshy, you mean that they easily get angry and often do not do what other people want them to do.

What is a Bolshy girl?

bolshy. adj. 1. difficult to manage; rebellious.

What is a bolshie attitude?

(also bolshy) informal British. (of a person or attitude) deliberately combative or uncooperative. 'I was a bolshie teenager, full of argument'