Definitions by china.

newtons cradle 

When the boobs of a girl resemble the infamous newtons cradle. By smacking the girls boobs together and having them Swing in the motion of the balls of newtons cradle hitting against one another giving it the same force back.

-What did you do to that girl?

--I did the Newtons cradle on those bitches tits.

newtons cradle by china. April 20, 2008