For s.t. to go or fall down head or point first.
When a cat goes down it goes head first.
Tumumbuk nakanakin kalabo'nen.
The child fell head first when he fell.
When the waves are big the bow of a ship keeps going down.
To throw s.t. at or onto s.t. (with a downward motion); to pound on s.t. (as with a stick).
I will throw a stone on the head of the snake or pound it with a stick.
I threw (something) at a bird earlier but didn’t hit it.
They are throwing (stones) at each other because they are fighting.