Part of human anatomy, in the groinal region.
Michael (NBC's The Office): I lost Ed Truck. And it feels like somebody took my heart, and dropped it into a bucket of boiling tears. And, at the same time, somebody else is hitting my soul in the crotch with a frozen sledgehammer. And then, a third guy walks in and starts punching me in the grief bone. And I’m crying, and nobody can hear me. Because I am terribly, terribly, terribly alone.