だだ· also ダダ
whining (to get one's way); tantrum
Also written 駄駄
Noun
駄々だだをこねないで。
Don't whine.
トムは駄々だだをこね始はじめた。
Tom started whining.
子供こどもがおもちゃを買かって欲ほしいと駄々だだをこねていた。
The child threw a tantrum because he wanted me to buy him a toy.