Babies

The real challenge is not letting the kid know they're being funny. Kids can't know that yelling obscenities in a crowded bookstore is hilarious. It'd totally throw off their priorities.

Who thinks this is a reasonable offer?

When a sign warns you with comically graphic mutilation, you pay attention to the warning.

Nurses, parents, and friends explain the awkward details of times things didn't go according to plan.

A picture is worth a thousand words. In these cases, a lot of those words are "oh crap."

When the concept is tacky, but the creation is tactful. Find more at r/ATBGE.