Top Definition
When an unattractive woman believes she is just as dateable as more attractive women based on her higher quality of personality. Said unattractive woman feels that she has been overlooked by men looking for dates, and is therefore bitter towards all men.

Also known as IBS.
Rob: I was trying to talk to that fat chick just to be nice because she looks lonely, but she was a total bitch to me.

Will: Ahh, don't worry about it, she's got a bad case of Inner Beauty Syndrome.
by The Goon Platoon June 17, 2009

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