Top definition
A single woman after the age of 35 that has reached sinister spinster status.
She was alone with just her cats as company; she is a spinister.
by Not the crazy cat lady July 31, 2009
Mug icon

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