A skeleton had a job interview, but he looked messy.
I had to fix his collarbone.
Messy Skeleton
Explanation
Explain Bear
Alright listen up, dummy. The joke is that the skeleton's "collarbone" sounds like "collar bone". So the joke teller is fixing the skeleton's collar, and making a bone pun. Haha, bone. As in, you have a bonehead.
Skeleton
Just do ya know,I'm the one who posted this joke on here. Good job me