Translation of "flabet" into English

Du er flabet for en mand, der har bedt mig om en tjeneste.

You know, you're awfully flippant for a man who's asked a great deal of me.

Du var rapmundet og flabet.

A certain flippancy a whiff of impertinence

Måske tror I det i Frankrig, men flabet og interessant er ikke det samme.

I don't know what you learnt in France, but rude and interesting are not the same.