(Got Patron on deck)
“On deck” is a baseball term, meaning “next up to bat”. He is saying that he is currently drinking Ciroc, but he’s about to switch over to Patrón. Both notable, and apparently note-worthy, liquors.
To help improve the meaning of these lyrics, visit “Amen” by Meek Mill (Ft. Drake & Jeremih) Lyrics and leave a comment on the lyrics box