She been sex free for months, so I can give you some dick
And my teeth so Colgate, you nigga's so late
(Why?) cause I’ve been in that pussy since '08

from YG (Ft. Tyga) – Do It With My Tongue Lyrics on Rap Genius

Meaning

He saying that he will give somebody tips how to get sex for free, but he not going to tell them all of it

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