A person who does not experience sexual attraction unless they form a strong brain bond with someone other than themselves.
Natasha: Hey, do you think Brian likes me?
Emily: Nah! This boy only has a thing for people with sexy brain folds. He is called Brian the Brainsexual, for a good reason.

Natasha: Wait, soo...
Emily: So, you better give up on him, it is for your own good dear.
by Bokra Okra Oops! April 14, 2018
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