pooh–pooh 
/ˈpu:ˌpu:/ verb
pooh–poohs; pooh–poohed; pooh–pooh·ing /ˈpu:ˌpu:/ verb [+ obj] informal : to think or say that (something) is not very good or not true
▪ They pooh-poohed my idea/suggestion. ▪ He pooh-poohed the idea that the house was haunted. ▪ The campers pooh-poohed our warnings about the storm.
▪ They pooh-poohed my idea/suggestion. ▪ He pooh-poohed the idea that the house was haunted. ▪ The campers pooh-poohed our warnings about the storm.
