Pshaw

Pshaw, is that the best you can do?

Pshaw! I can't believe it!

"Pshaw! Why do ye bother yourself wid texts, man, about so small a matter?" interrupted the landlady

'Pshaw!' Ralph muttered, forcing a laugh.

"Have a care, cousin," he whispered; "for the sake of the Virgin have a care, for you have angered him." "Pshaw! fear not," the other answered in the same low tone.

Pshaw! And monkeys might fly out of my butt.