bottomphobia 

the fear of bottoms ; the fear of bottoming or being in a relationship with a bottom or being not in control.

“Omg, that dude has bottomphobia, he hates bottoms..”

bottomphobia by gaybottomhoe May 29, 2019

Bottomphobia 

dislike of or prejudice against bottoms and more specifically subs because they are, in fact, useless.

Flo: Eminem is a bottom, he joins worthless human gang >:(
Micha: your internalised bottomphobia is showing!
Flo: #killallbottoms2020

Bottomphobia by michawinchester August 9, 2020

Bottophobic

Having or showing a dislike against The Botto Discord Bot

Look at those Bottophobic Bitches

Bottophobic by Tofee January 10, 2021

bostonphobia 

The Irrational fear of gay men

i have bostonphobia so i don’t want to go to the LGBTQ+ orgy

bostonphobia by FuckCritikz December 13, 2021