A person with a grabbable, soft, ripe ass.
Martin is a real jiggly butt. I love smacking his ass.
by AnalQueen February 18, 2010
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The peak of compliments. Named after undeniably the best creature on the planet, the jellyfish, this is a person who's jelly is greater than their sting
Have you met my mom? She's a jiggly jellyfish butt.

Oh my god Becky! Look at her jiggly jellyfish butt!
by The Arachnid April 8, 2020
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