finna do
Getting ready to do or fixin' to do something. used as a verb.
"what you and yo friend finna do" is a good example of how the word is used. used a lot in southern regions of the united states.
you aint finna do nothin wit it
Means;
You aint gon do shit.
You aint gon do shit.
Billybob: I will fuck you up my nigga!
Joebob: You aint finna do nothin wit it. Wit you bitch ass!
Joebob: You aint finna do nothin wit it. Wit you bitch ass!