To move with a hissing or rushing sound. The wind swished through the trees, creating a soothing sound.
To move or cause to move with a light, sweeping motion. She swished her skirt as she walked across the room.
To rinse or swirl liquid around in the mouth. He swished the mouthwash around before spitting it out.
To make a basketball shot that goes through the net without touching the rim or backboard. She swished a three-pointer to tie the game.