amphisexualbioquarious 

Sexually attracted to sapiens both on land and in water.

Seamus: Dude, did you hear Charlie had sex with a mermaid?
DaQuan: Yeah bro, she was so pulchritudinous!
Seamus: But I thought he was into humans.
DaQuan: He is. He is amphisexualbioquarious.
Momin: So he's not just gay?
DaQuan: No, he's not amphihomosexualbioquarious!

amphisexualbioquarious by Brandt Creeper March 20, 2019

amphisbaena 

A word Toad names all his online characters

Dude add my level 40 sorcerer, Username Amphisbaena

amphisbaena by Toadkenzie October 9, 2021

Amphisexuality 

A sexuality in which someone is only attracted to double-binary people.

Origin: Amphi (Greek Root For Both) + Sexuality

The exclusive attraction to double-binary people is called amphisexuality.

Amphisexuality by Shugunou June 6, 2023