Top Definition
1) The act of taking part in a group, social activity, or movement without understanding the goals/purpose of said organization, usually for attention or sense of belonging. 2) Deviously joining a group, social activity, or movement for purposes other than what is known.
1) Katie, who joined the sorority because all her friends were doing so, is the perfect example of joinism.

2) Joinism made him take the life drawing class; he wasn't good at art like he told his girlfriend, he just wanted to see the naked model.
by PDNAGDC March 28, 2007

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