- to fill or pack as tightly or fully as possible: We jam-packed the basket with all kinds of fruit.
Origin of jam-pack
First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for jam-pack
His last meeting in the Citizens' Hall was jam-pack an hour before the advertised time of speaking.Some Everyday Folk and Dawn