A fetish for extra/multiple body parts on a person that is more than what is considered normal. Usually limbs, genitalia, fingers and toes, heads, and sometimes facial features; human or otherwise (in reference to furries).
Sometimes shortened to just "multi".
I was browsing Twitter when I stumbled upon a user focused on posting multilimb content.
Multidyanmic, is a dynamicperson who has multiple gifts and abilities and uses them personally and/or professionally in a variety of ways for self expression and fulfillment.
She is amazing. I thought she was an acupuncturist? "Yes she is, but she is also a singer, photographer, and bee keeper." Wow, she is multidynamic!
Basically it means to fuck off. Use this phrase as a euphemism when you don't want to be obscene in telling someone that their presence is not desirable.
When the boss of Taco Bell went to his workers and asked them to take a pay cut, they all told him to go forth and multiply.