どかどか
Meanings
Adverb
Adverb taking と
1. noisily; with loud footsteps (Onomatopoeia)
2. in a crowd; incessantly; all together
Examples2
自販機
When I put 100 yen in and pressed the button to buy a coffee at the vending machine, four cans dropped down all at once!
彼ら
They crowded into my house late at night.