I'm talking that based, that shit's so fire, that shit's so fire X4

from Lil B – Talking That Based Lyrics on Rap Genius

Meaning

When Brandon is “talking that based”, he is lecturing the audience on his “based lifestyle”; a very positive, and rewarding train of thought.

Since the based lifestyle is “so fire”, it is very hot and trendy, thus garnering a lot of attention and necessity.

To help improve the meaning of these lyrics, visit “Talking That Based” by Lil B Lyrics and leave a comment on the lyrics box