Top Definition
A medical condition in which women with large, natural breasts exhibit wild and uncontrolled mammary motion while walking. Usually occurring when breasts are unbound by brazier.

See also: jubblin jibblers or jubblin jibbleronis
"The blonde in the tank top headed our way has a severe case of jubblin jibbleritis, we probably ought to see if she needs assistance."
by Andy Wolff June 30, 2013

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt