Bad pun alert

I was at camp all last week: 24/7 with about 100 5th & 6th graders! By the weekend, I was shuffling around, mumbling "Brains... Brains..." Of course, that's how I spend my weekends anyway: calling my dog, Brains.

Here's the bad pun. One of the boys in the cabin came up with this riddle:

Q: What do Christians do in the shower?
A: "Warsh" up (worship)