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1.
The state of being so affected by gravity that it causes fleshy extremities such as a big belly to wobble uncontrollably. This is often not a sign of bootyliciousness.
Dawg: Yo Shelley you got a big jiggley-wiggley! Working that belly up and down, girl!

Shalley: Whassup, dawg?! not bootylicious enough for you, am I?? I think i'll go on the watercress soup diet now, innit!

Dawg: Don't do that Shelley baby! I love you just the way you are!