Pack down American slang
A noun or pronoun can be used between "pack" and "down."
To compress anything by pressing, pushing, or tamping it downward.
As more snow fell, the bottom layer was packed down into ice.
She usually packs her lips down.
To squeeze something into a container so that it takes up less room
You should pack the clothes down in the suitcase so it will hold more.
The verb "pack" should be conjugated according to its tense.
Daughter: So I really want all my friends to have a great time. I was thinking it would be a good idea to have some candy out on the tables for people to snack on.
Mother: Well, if you want them to really enjoy themselves, candy is dandy but liquor is quicker.