Pfft

Pfft! That's what you get for laughing at a girl!

Pfft! That's your punishment for laughing at a girl!

Pfft! Who cares what Tom thinks?

Pfft, who cares?

Pfft, who gives a damn?

Pfft, who gives a shit?

Pfft, who gives a fuck?

1965 Peter De Vries — Let Me Count the Ways You'd never forgive yourself — and then you'd never forgive me, and then pfft, the end of a fine friendship.

“[…] You remember that lump I got? I felt something poking out of it. So I pulled, like, I just pulled one out, put it on some folded-up toilet paper, then went back in and got another one. Then one more after that. I’m pretty sure they’re spider legs,” Orvil says. ¶ “Pfffffft,” Loother says and laughs. At which point Orvil shows him a neat pile of folds of toilet paper.

"Are we talking a delicate little Scandinavian pfft, or the whole raspberry tart?"