This word is commonly used when describing an incredibly attractive mom who has a child with down syndrome, early on-set of alzheimers or any other mental illnessees. Stand for: Mother I'd Like to Fuck With a Child Who Has Mental Problems. Many find it funny and entertaining because of its remote chances of occuring.
Wow, Ari the retard is incredibly gross, why does he make noises like that?
Yeh he is, but is moms a MILFWCWHMP!