Her knees felt rubbery, but she was able to stand.

For a long moment, he just looked, and his knees felt rubbery.

He stumbled forward on legs that felt far too limp and rubbery.

His legs felt a little rubbery, but he knew that was to be expected after so many years.

For the first time in his life he seemed to have trouble talking, and his legs felt rubbery.

She saw three square blocks made of some substance that felt rubbery.

They felt rubbery and awkward for the first mile or so.

His legs felt rubbery and didn't want to support him at first.

They feel smooth or rubbery and move about under the fingers.

My legs were feeling rubbery after standing still so long.