Macmirror
Putting your face right up to your MacBook's black screen to check your look, like you're trying to impress a guy or your mom. It's basically using your laptop as a mirror and pretending you're not a total narcissist.
She pressed her face to the screen like it was a beauty mirror and fixed her eyeliner with a death stare.
He turned his screen black, looked at himself like he was judging a talent show, and then went back to work.
She used her laptop like a mirror and made a face at her reflection like she was arguing with it.