When you're wearing a thong, and your balls are so saggy that each ball falls onto both sides of the thong creating newton ball like balls, and you have someone put their tongue in between both balls, and swing the balls together like newton balls. :)
i'm going to Mewtons Knuckle you so hard your taste buds will never work the same.
Noun; A foolish person prone for random outbursts. A melmonts will provoke you randomly by contradicting whatever it is that you say, while not even grasping what they are talking about. Also known as a Thizzle.
That person sure is a melmonts, they started going off about otter pops and granny nips. Don't they have anythingbetter to do?