The Brief: Down packed is a mispronunciation of "down pat." It means to have something rehearsed or practiced to near perfection.
“Down packed” means an individual has rehearsed or practiced something near perfection, according to Urban Dictionary. It is a mispronunciation of “down pat.”
Took me a long time to learn this. I have it down packed now 😁😊 pic.twitter.com/K9zC8V0AeI
— Lif3WithLoLo🏳️🌈💙😎🙃 (@Lif3WithLoLo) March 25, 2021