Shit seems to be an all-purpose noun/adjective these days, even contradicting any definition it may have in dictionarys worldwide. It can be bad, but more so these days, it can be good. Observe:
That is pure shit. (Bad)
That is shit hot.(Good)
That guy is a shit brick.(Bad)
That guy is a brick shit house.(Good)
This is shit.(Bad)
This is the shit!(Good)
Are you shitting me?(Bad)
That shit is the truth.(Good)
This shit is fucked up.(Bad)
This shit is bananas.(Good)
Shit, man. I missed my bus.(Bad)
Shit, man! I ain’t seen you since high school!(Good)
I got to take a shit real bad.(Bad)
I’m gonna see how much shit i can take before the cops arrive.(Good) (?)
I can’t take this shit anymore!(Bad)
I’m gonna have that shit tomorrow for breakfast. (Good)
Well? Any other examples of the universal nature of shit?
No, that’s just “fucking” as an infix in another word as an intensifier. This is a well-documented linguistic phenomenon, but it sure ain’t an adverb or preposition in either of those sentences. And “be-fucking-low” sounds ungrammatical to me anyway.
Oh shit he’s fucking pissed now. Gonna beat the shit out of us, we are scared shitless. No shit. We’re in the shit now. Probably thinks his shit don’t stink