"glide down" is correct and usable in written English.
It generally means to move in a smooth, effortless way, and can be used in many contexts. For example, "The ballerina glided down the stairs gracefully."
– while others glide down like a twenty year malt.
And in "Old Cat" two men glide down a river on an open boat.
Particles glide down inside two branches of slanting glass rectangular ducting.
Drones would fly out of it with your order and then glide down to your backyard.
He collapsed backward as red began to glide down the green of his fatigues.
"Wanna glide down over Mulholland," he sings, "I wanna write her name in the sky".
After lunch, glide down See Forever, a long, winding trail that snakes all the way back to the village.
For the first time since Pearce's life-altering accident, he will strap on a snowboard and glide down a mountain.
Windows glide down and necks crane out as the occupants guiltily ogle the scantily clad maiden before zipping away.
Animated Save dialog boxes glide down from document title bars, and buttons slowly pulsate until you click on them.
The most innovative part of the new design is that the seats do not glide down to recline.
