The judge said "Is this that thug, from the Kit-Kat club?"

from Cam'ron (Ft. Jay Z & Juelz Santana) – Welcome to New York City Lyrics on Rap Genius

Meaning

The Kit-Kat Club was the nightclub at which Jay-Z stabbed Un (the club is now closed)

To help improve the meaning of these lyrics, visit “Welcome to New York City” by Cam'ron (Ft. Jay Z & Juelz Santana) Lyrics and leave a comment on the lyrics box