What's another way of saying "closed the laptop"?

So I want to say "I angrily closed the laptop." Like this: enter image description here

Instead of using the quote above, what else can I say?


An informal sentence could be:

"I slammed the laptop shut".


Clamshelled works for laptops and the like. The verb forms don't seem to have made it to the dictionaries yet, but they're all over the internet.

Clamshelling his laptop, hard, Doug turned and scowled at Patti.