1. n.: (American slang) a thing, particularly an unidentifiable thing.
2. n.: (American slang) a small blemish on
one's clothing; used to describe food stains or lint.
3. pl. n.: (American slang) more than
one googly-hoo.
"Um, Sheila, what is that googly-hoo all over the
floor?"
-or-
"
Ugh, I am so messy! I have some sort of googly-hoo on my
shirt."