They don't. Skeletons don't have lips, they just bone.
Last year's winner of the blonde "hide and go seek" contest
A skeleTON.
A T-Bone!!!!
Purple, there are no bones in ice cream!
Because the horse hugs the rails the jockey puts his arms around the horse and you can kiss your money goodbye!
Because they have a hard time puckering their lips the right way.
You ca-lip this