One time, long ago, I was involved in the student chapter of ASCE. We were at the US Air Force Academy because they were the regional hosts. At one point during the banquet, one of the advisers from USAFA got TANKED and came up to us and yelled, "Karl Terzhagi was my father. He was an abusive bastard." All false, of course, but it was hilarious to hear a drunk engineer in an USAF uniform go off on Terzhagi.
So there's the exact reason for this name in particular.