Fetishthrob (noun):
The pulsating throb of excitement and anticipation that resonates through the body and mind when discovering a common kink or fetish with a partner, arousing a deep sense of sexual compatibility and unleashing a world of pleasure.
Their eyes locked as they shared a knowing smile, the Fetishthrob between them illuminating their desires and sparking a newfound intimacy, as they embarked on an exhilarating exploration of their shared kink.