adverb
gushing out; flowing profusely
Describes liquid such as sweat or blood flowing heavily and continuously. Often used with verbs like 流れる or 出る.
傷口から血がだくだくと流れ出た。
Blood gushed out from the wound.
暑くて汗がだくだく出てきた。
It was so hot that sweat started pouring out.
adverb
thump-thump; bang-bang; pit-a-pat
Mimics a rhythmic pounding or beating sound, such as a heartbeat, knocking, or drumming. The exact English equivalent depends on context.
心臓がだくだくと激しく鼓動している。
My heart is pounding hard.
誰かがドアをだくだくと叩いた。
Someone banged on the door repeatedly.
adverb
sound of hoofbeats
Specifically used for the sound of horses' hooves striking the ground. Less common than the other senses.
馬がだくだくと駆けてきた。
The horse came galloping with a clatter of hooves.
A mimetic word; the exact origin is uncertain. The reduplicated form だくだく likely imitates the sound or sensation of heavy, continuous flow or rhythmic pounding.