Annoying
To flip down a set of stairs you ride up to the stairs at a reasonable speed then you do the trick when you are about to olli , make sure your body stays over the board and that your feet land on the trucks , just watch the board closely when you are in the air.
1-down 2-stairs.
A cow can climb up stairs but not down.
I have personally watched my cow climb down a set of stairs. The disclaimer of cows not being able to climb down stairs probably refers to very narrow stairs.
Death Becomes Her
he fell down the stairs he fell down the stairs
Stairs go up and come down as well.
The basement or the root cellar are often found when you go down stairs.
the stairs
The opposite of up the stairs is down the stairs, as the opposite of upstairs is downstairs.
Stairs, you go up you go down but the stairs never move.
The answer to this riddle is "a staircase". Of course the staircase does not actually move up and down, but when you refer to a staircase directionally, you are either going "up the stairs" or "down the stairs". Its function in and of itself is to "go" up and down.