I caught up on sleep.
I made shopping lists and filled my to do list....lol :)
Facebook. Also, emails.
Ah, I went to med school before Facebook... I'm sure that's the best time waster of all now...
Sudoku.... it looks like I'm writing notes, and even like I'm paying attention since I even look like I'm concentrating
I've been tallying up the times the lecturer says "mmkay"...
Once during a biochem lec, I concocted a spoof Kreb cycle, with different professors as the intermediates and personality traits as the NADs etc (GOSH!! I don't remember tose things at all!!), and "compelling circumstances" as the enzymes - was quite interesting.But mostly I drew prof cartoons :)
Gunner bingo. Make a bingo card with all of the gunners in the class, and cover a space when the respective gunner asks a question. You must declare bingo by asking a question with bingo in it. And yes, I've won.