I'm green with envy. Not to be mistaken with blue da ba dee da ba dai. 

St Patrick's Day Lasers Activated

animals green St Patrick's Day eyes laser Cats - 8463752192
See all captions By Alan_Smithee

Everyone Has an Envious Side

Cats envy eyes green - 8267612672
Via Daily Picks and Flicks

Could be a message there

captions Cats fence green lolcats poop pooping - 6391932160
See all captions By CatLadynlr

Teh gras iz alwayz greenr

green lawn lay phrase saying - 6334883584
See all captions By Razuli

Let me in!

Cats do not want door green gross inside let me in lolcats nature outside trees uncomfortable - 6304439040
See all captions By GCHLoki

You Don't Expect Me To Eat This, Do You?

animals cat caption food green - 8796703488
See all captions By katkabob