The word traficas is the present form of traficar in the second person singular.
See the full traficar conjugation

traficar

No sé por qué traficas con drogas, Plowboy.
I don't know why you deal drugs, Plowboy.
Los nuestros te tienen miedo de lo que traficas en tu casa durante el Sabbat.
Our people are afraid... of what you get up to here on Shabbat.
Sé que traficas con niños.
I know you trade children.
Si no te drogas y no traficas, entonces, ¿por qué lo tienes?
So if you don't use it and you don't deal it, then why did you have it?
Want to Learn Spanish?
Spanish learning for everyone. For free.
SpanishDict Premium
Have you tried it yet? Here's what's included:
Cheat sheets
No ads
Learn offline on iOS
Fun phrasebooks
Learn Spanish faster
Support SpanishDict