look up any word, like dirty sanchez:

1 definition by lilbeccaboo

The excess fatty skin on the tricept area. Shakeable and jiggly, with no muscle defintion.
"Dang, that girl has got some mean Jewel Arms."
"That girl needs to get a 'Shake Weight' for the Jewel Arms she's got on her."
by lilbeccaboo May 30, 2011