Pink Slime Hamburger Cartoon by Mac McRae on September 22, 2017 in People pink-slime-hamburger Pink slime hamburger cartoon. Pink slime with two buns, purple tongue, pickle, lettuce, mustard and ketchup. Watch out for this stuff in the lunchroom – if you aren’t careful it will gobble you up. About the Artist: I am a digital illustrator who paints whimsical monsters and other critters for logos, kid’s products and companies that are young at heart. Follow me on Twitter here.