down packed is just a more common variation of its sister phrase "down pat," meaning to have something memorized or perfected.
by mattisatool April 23, 2006
When people mis-hear and mis-pronounce "down pat".
Meaning to have practiced or rehearsed something to near perfection.
Meaning to have practiced or rehearsed something to near perfection.
by Spunkfactory July 30, 2019