A psychological impulse in which you start seeing another person before ending things with your current partner. Not cheating necessarily, the Hermit Crab Syndrome reflects the ways of the Hermit Crab, who starts moving into a new shell before leaving the old shell.
I have Hermit Crab Syndrome Guys!!! its a real thing where im always looking for something better without the risk of being alone.
by steakandshake November 05, 2011