Got ya grandma on my dick [haha]
Girl you know what it is

from Tyga – Rack City Lyrics on Rap Genius

Meaning

Everyone fucks with Tyga, yeah, even your grandma.

http://www.youtube.com/watch?v=cFmqMe0pQ5A

To help improve the meaning of these lyrics, visit “Rack City” by Tyga Lyrics and leave a comment on the lyrics box