Seahorse Couple 

noun

1. A romantic couple that is comprised of a transgender man, and a transgender woman; a transgender heterosexual relationship.

"If two people are in a heterosexual relationship, and the man gets pregnant, those two people are a seahorse couple."

"I'm In a heterosexual relationship, but I can get my boyfriend pregnant! We're a seahorse couple!"

Seahorse Couple by nightmareblush June 9, 2025