pooh-pooh
verb
[ ˈpuːpuː ]
• dismiss (an idea or suggestion) as being foolish or impractical.
• "until recently, this idea was pooh-poohed by the scientific community"
Similar:
dismiss,
reject,
brush aside,
play down,
spurn,
rebuff,
repudiate,
disregard,
discount,
wave aside,
make light of,
make little of,
belittle,
treat with contempt,
ridicule,
deride,
mock,
hold up to scorn,
scoff at,
sneer at,
slam-dunk,
wipe,
Origin:
late 18th century: reduplication of pooh.