pfui, man, thou knowst as well as I do the golden key to his consent.
Some of them took to flight, but, pfui, there were enough for my young lord to show his mettle upon.
The mounted police advanced with drawn swords against the rioters; the air was filled with shouts and cries of pfui!
He sees the dead dog on the threshold; he says "pfui" and tries to push it aside with his foot.
She shrugged her shoulders up to her ears and uttered a little sound like 'pfui!'