Despite trying to remain serious, he couldn't help but crack a smile at the comedian's silly face.

The outreach workers set up a mobile clinic to reach crack whores in the abandoned lot.

The laser was powerful enough to crack through the thick metal plating.

I cracked a book last night to study for the exam, even though I usually procrastinate.

If you want to pass the exam, you'll have to crack a book this weekend.

She cracks a book at her desk every night to prepare for the exam.

My friends and I stayed up all night writing a crack fic in which the villain runs a bakery and the heroes are competitive knitters.

We planted a crack willow along the riverbank because its roots help stabilize the soil.

I spent the whole night reading crack fics and woke up with a notebook full of ridiculous plot ideas.

That new mobile game is like crack for me — I can't put it down.