If he ain't test it I don't trust em', he prolly told
Dimed out your homies, seen them statements, he got exposed

from Meek Mill (Ft. Rick Ross) – Rich Porter Lyrics on Rap Genius

Meaning

Everybody hates a snitch. To make sure someone isn’t a snitch or a narc you have them test the drugs in front of you to prove loyalty. If you’re really about that drug life it’s nothing. But if you’re a snitch or a cop you won’t do the drugs.

Meek Mill won’t trust anyone who won’t test the drugs first because if they don’t test it first they’re probably a cop or a snitch.

These lines also go back to the Rich Porter-theme: Alpo turned on Rich Porter by snitching, even though they were best friends.

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