When the beat is too good, you can't help but to dance along with it, but instead of your feet or arms, you move to the beat with your shoulders.
Jose: Did you see Maycie there? What is she doing?
John: She's shoulder jamming. Have you never shoulder jammed?
Jose: No but I wanna try!
John: She's shoulder jamming. Have you never shoulder jammed?
Jose: No but I wanna try!
by dynorphin September 8, 2016
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