When people mis-hear and mis-pronounce "down pat".
Meaning to have practiced or rehearsed something to near perfection.
I've got these skateboard tricks down packed. Dude no, you've got them down pat.
by Spunkfactory July 30, 2019
Get the Down packed mug.
down packed is just a more common variation of its sister phrase "down pat," meaning to have something memorized or perfected.

I practiced parallel parking until I got it down packed.
by mattisatool April 23, 2006
Get the down packed mug.