Sex. Any variety at all. It can be made more specific by putting the type in front of GOOBA. I.e. butt GOOBA. Also, it could be used as the word fuck; that is to say, a verb.
Derived from the relatively new language of Bleagh, GOOBA is quickly gaining prominence amongst teenagers.
Oh man I got some nice GOOBA from my chick last night.
(Noun, Slang), G-oo-buh, Origin: The solar industry of Northern California. : Any type of roofing/weather/general construction sealant extruded via the use of a caulking gun, as roofing sealants are generally petroleum based, stain most materials and are near impossible to remove without the use of other petroleum products. Primarily used when refering to the brand Sikaflex.
After I removed the lagbolt from the roof I used the gooba to seal the hole.