2 words that should never go together

I love my lava lamp! I know it is so college and silly, but I find it relaxing and cool! But the other night I glanced over and saw.....Nipple Lava. Yup! Never before has my precious lava lamp made this shape, but there it was....and there are the 2 words I never would have known could be put together and used. Proof is below: