Mermaid Lesbian

Similar to bambi lesbian, a lesbian that is e.g. aesthetically and/or romantically attracted to women but not sexually, hence their lower part being replaced with a cute fishtail.

A: This cheap bed would be way too fragile for us. Let's look for another one that we can actually use.
B: Like I would ever use it like that with you mermaid lesbian anyway...
A: What? I meant when we feel like having a pillow fight again, you perv!