Top Definition
A girl who resorts to their own sex after many failed relationships with the opposite sex. Once an opportunity with a male arises again, they return, but if things go poorly, the process is repeated. Subject is usually very overtly bitchy, for lack of better word
1. Toby - "Dyke by necessity! Totally is, poor thing "
Zeus - "I feel bad for sending her back but what's a guy to do. She'll be back one day."
Peter- "Did I just hear someone say, dyke by necessity? did she go running back, wow third time in two months!"

2. Commonly mistaken for a bisexual, a dyke by necessity is an interesting specimen that only returns for comfort.
by Raymond Stash March 14, 2008

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