Lacking to Packing discribes the Ugly Duckling Effect. Normally when a woman goes from being ugly to becoming really hot. It can also discibe when a women obtains certian features such as breasts, or an ass.
Kyle: Have you seen Jessica's new implants?
Victor: No, Why?
Kyle: She has gone Lacking to Packing!
Victor: Damn, dawg!
Victor: No, Why?
Kyle: She has gone Lacking to Packing!
Victor: Damn, dawg!
by RevKB May 02, 2008
by EmJayee September 30, 2017