(noun) Natsuflux is a person that identifies as an 83 year old transage lesbian grandma. It has an extreme fetish for cars and fantasizes about them, especially subarus and toyotas. Sometimes a person who identifies as natsuflux will also be a leader of some type of group, but that is less common.
Natsuflux stared at the toyota thinking about all the naughty things it could do to it.