A euphemism for a long-lasting erection which is at once peculiarly enjoyable for the woman or man receiving it and mildly to moderately painful to the man with the Iron Man of stiffies. While sometimes caused by ED (erectile disfunction) medications, this may occur naturally as no long-term studies (or concrete, investigational reporting) has determined this cannot develop and sustain on i's own.
Dude, I had a Fat Cal Ripken with her last night. I was all up in that from closing time till dawn.