slammed

adjective3

1. •
   (slang) Very busy with work.

   • Or, worse yet, you've been so slammed with working on a massive science project about helium that you haven't stayed caught up in any of your other classes. — 2009
2. •
   (slang) Packed; crowded; (of a venue) full of would-be customers.

   • My flight landed in Vegas at around five. Not surprisingly the Las Vegas airport was even more slammed than Denver's. — 2015
3. •
   (slang) Drunk.