A cute way of referring to pink eye. Specifically used when contracted after your eye come in contact with your partners butthole hairs. Commonly occurs when eating a woman's pussy from behind.
"Did you shower after dropping that deuce? Or did we do the nasty medieval style? No? I wished you would have warned me cause I think you gave me tootie eye. At least use wet wipes next time. Tootie eye is serious business."