Space Dragon Rush

Space Dragon Rush is Ridley's Side Special. Ridley lunges forwards and swipes his claws through the air; if he grabs an opponent, he will slam the opponent into the floor and then drag them across the ground at high speed, throwing them upon reaching the edge of the platform.

If the jump button is pressed while dragging the opponent, Ridley will release the opponent and jump upwards.

Origin
The Space Dragon Rush is a move Ridley used during a cutscene in the Subspace Emissary, in which he smashed Samus against a wall and then dragged her across the room.