Put a wad of paper under the leg of the table to make it level.

桌子腿底下垫点纸就平了。

《新英汉大辞典》

But as you can see, your so-called Phantom Kitty is alive and well, and amusing all your webfans with his antics—the way he did that slam-dunk with the wad of paper into your bookcase was a classic.

正如您看到的那样，您口中的幽灵猫生龙活虎，用滑稽可爱的动作为您的网迷们带来了无穷的乐趣——他抓着一团纸向您的书架灌篮的动作实在是经典。

youdao

Wad the space with paper, please.

请用报纸填塞空隙。

youdao

Coming back to reality always means finding a proper way to dispose of the paper wad.

NPR: How to Eat a Cupcake