Simpitism is the force of someone simping so hard that they soon envelope everyone that they care about into a storm of "I love her!!" and "We are perfect for each other!" The person who is having the simpitism soon either decides to quit simping or they simp harder.
Guy1: Bro, Humphrey's simpitism almost got him arrested last night!
Guy2: Humphrey needs to stop simping!
Guy2: Humphrey needs to stop simping!
by TheGarfunkle March 21, 2020