jammed up

adjective2

1. •
   (informal) In a physically tight spot.

   • I'm all jammed up against a light pole over here. I'll just have to drive forward a ways. — 1996
2. •
   (informal) Busy; having a full schedule of engagements.

   • I'm all jammed up today. Tomorrow's bad. How about Monday, maybe early. Like, breakfast. — 2000