Crossword puzzle clue "chris on clay or grass"

Chris on clay or grass

First tennis player to simultaneously hold Grand Slams on clay, grass and hardcourt

Grass court grass

Writer of the lines "Pigeons on the grass alas. / Pigeons on the grass alas"

Ground covered by a mat of grass and grass roots

Cartoon in which one cow says to another "Hey, wait a minute! This is grass! We've been eating grass!"

Chris Cornell "Disappearing ___"

"Leave Britney ___!" (Chris Crocker catchphrase)