A way to express an alternative to "fuck this shit" in the expense of use for bro-dogs/gangsters/and thugs in school. In contrast, the word "fuh" may be subjugated for another slang word used in displeasure.
Teacher: Welcome back! I hope you had a good summer! Take out a sheet of paper and pencil, and write a sentence about what you did this summer!
Thug: Man, I don't wanna do this shi man, fuh dis shi man, dis some bullshi man.