The sticky, slimy, gross substance that is produced from a foreign object. Most googly is secreted from an object that creates a liquid form. If anything is contaminated with googly, washing immediately after contact is necessary.
"Dude she climbed directly into bed after her 5 set volleyball match"
"Wait she didn't shower before?"
"Nah"
"Holy crap the googly must be going crazy and soaking into her fresh linen sheets. She is a freak."