The dance floor is now jam-packed—and incredibly hot thanks to all the heat radiating off all the lithe, sweaty bodies.
In Hampstead, he leapt onto the counter of the jam-packed Beantown Cafe so that curious voters could see him speak.
Think of it as a jam-packed urban beach at the height of the season.
For weeks, her schedule has been jam-packed with meetings, photo shoots, and an endless stream of interviews.
Twitter is jam-packed with fake accounts; nearly every celebrity and big corporation has at least one impersonator.
Very tightly packed; very crowded: those jam-packed suburban classes (1925+)