Fear of being thought of as a simp, or of any behavior that may remotely be interpreted as simp-like, which often leads to strong criticism of any guy who shows kindness, shows attraction, or expresses sexual interest. Guys with simpphobia are generally young and insecure, overcompensating in an attempt to hide any trait they may think will be seen as a weakness in the eyes of their peers.
All James said was she was attractive, and Trevor went total douche-canoe on him, calling him a simp.
Yeah, Trevor still thinks negging girls and acting like a cockwaffle is alpha. He also still uses the word alpha. Total case of simpphobia.