POOH

ˈpü, ˈpü noun

or pooh-pooh |pü|pü

( -s )

Etymology: origin unknown

: an expression of contempt, disapproval, or impatience

quietly anticipates the skeptic's every pooh — New Yorker

a few poohs and a tush about cover that — P.G.Wodehouse

— often used interjectionally