Top Definition
A principle that basically states that things of similar composition will eventually tend toward the same location because they are similarly affected by wind/ocean currents, magnetic fields, and other forces.

Examples are hairballs from dogs/cats and giant masses of condoms people have found in the ocean.
Brad: "...so that was like the third time this year that my sister has been hit in the face with bird shit! I wonder why that happens to her so much."
Jeremy: "Dude, haven't you ever heard of like aggregation? Dee dee dee!"
by Nicholas D November 28, 2006

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