Joshua: I heard two noises coming from two separate areas of space over there. One of them could have been a deer, but the other one sounded like a cackling.

Heather: No way!

Joshua: Yeah, it was like a serious cackling.

Heather: See, my problem is that I sleep like a fucking rock.

Michael: If I heard a cackling, I would have shit in my pants!

Joshua: I heard two noises coming from two separate areas of space over there. One of them could have been a deer, but the other one sounded like the evil laugh of a witch.

Heather: I don't believe you!

Joshua: Yes, it really sounded like a witch's laugh.

Heather: You see, my problem is that I really sleep so soundly that nothing wakes me up.

Michael: If I had heard a witch's laugh, I would have defecated in my pants!

"shit my pants" is a common expression used to show extreme fear or to exaggerate fear.