The meaning of the word is as follows :
It is a multiuse word that is defined as an adjective, noun, pronoun, and verb covering all facets of the english literature. It can be used in many instances, read below for examples.
"Dude did u Fadoop that chick last night?"
"Hey, that was some of the most Fadoop shit I've ever smoked."
"Check out those Fadoops on that bomb ass bitch."
"Quit being such a Fadoop and go talk to that Milf."