Niggahs be moby

So I was walking home from school, and 2 guys run up to me (black one and a mexicant) and one of ems like "a bro you got any money? I wanna to buy somthing to drink, i'm fucking thirsty."
then I'm like "nah bro I don't carry moneys" and he like "niggah don't be playing with me, there's 2 of us" and i'm like "bitch I ain't scared of yo shit, you to scared throw a punch at chris, so ain't doing shit to me." then he is like "bro you wanna start somthing, follow me, there's too many cars driving by here." I'm like "bitch do somthing, or are you to scared to get your ass beat in front of everyone??!?" he like "kid I'm bout to whoop your ass, quit talking shit" and i just poped him in his jaw.. Nigga just walked off and all the people around ltao. True story, happened 10 minutes ago

cool story bro

 

What does the mean?

 

^this.