Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: goo  goo
Usage: informal
  1. Any thick, viscous matter
    - sludge, slime, goop [N. Amer, informal], gook [informal], guck [N. Amer, informal], gunk [informal], muck, ooze, thick, gloop [Brit, Cdn, informal]

Derived forms: goos

Type of: matter

Encyclopedia: Goo