I wouldn't think anyone could really do it, but if anyone can, it would be Tiger.
Perhaps - controlled quitting. Same concept as a soft lob shot, applied to a full swing.
I think you nailed it . . . more of Circle Delivery Non-Pivot Delivery deal . . . Homer said don't move anything more than necessary right . . . including the pivot. Arms shot.
I'd like to see a little context around that statement of Tiger's. The low tee shots I have seen him hit (standing a few feet away) look and sound like they were fired out of a cannon. Not exactly soft. He may be talking about some other type of shot. His normal full out motion tends to hoist the ball.