A derogatory slang word derived from the movie "Splice". Used to describe an ugly individual with odd androgynous facial features. In the movie The splice creature was both woman and man. A creature with a face only a mother could love.
Someone that has the appearance of a crack head, or who has been taking meth. Their face is all messed up and their hair is like a bird's nest. Also, if the person is acting like a stupid dumbass or doesn't understand what you're saying.
Someone that looks like they've been dropped on the head.
She's acting like a mentalbaby! I wanna punch her in the face!