This is another way to say the gang called the
Crips. It represents that by the 3 meaning C, the third letter in the
alphabet. The rest is pretty simple to figure out at that
point.
Guy 1: "Yo, do you wanna join the 3
18 9 16
19?"
Guy 2: "What is that?"
Guy 1: "You have to join it then I'll tell you"
Guy 2: "Fine, sure I'll join"
Guy 1: "Why would you want to be apart of the crips that's so
dumb"
Guy 2: "I hate you"