The story
Serendipitous alignment of rhyme with semantics.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Excess body fat or musculature on the buttocks area, seen as making someone (usually a woman) more buoyant and allowing more comfort, "cushion," during intercourse than bony hips would, and also providing more bounce. Full definition →
Serendipitous alignment of rhyme with semantics.
Etymology from Wiktionary, CC BY-SA 4.0.