Cec, you are right about lacunae being fun to say. As you know doubt know but did not say, superego lacunae refers to one having a superego (more commonly known as a conscience) which is full of holes. These holes allow one to escape one’s own judgement on oneself or even notice that one is, as you say, a lying sack of excrement. It also allows you to project your defects and perversions onto others and condemn them for it without your head exploding. It helps explain certain Republicans with intact craniums.
It is my observation that the superego lacunae is a helpful concept in understanding how Henry “Home Wrecker” Hyde, Newt “Skin Flute” Gingrich, Bob “Stripper Bar” Barr and others of similar ilk, had no problem sounding off in somber moral tones about Clinton’s dalliance with the lovely Lewinski, without a shred of ambivalence or ambiguity.
Superego lacunae are common in small children, who are known to deny stealing candy while their hands and mouth are full of it. Adults with superego lacunae however are far more dangerous even theoretically capable of killing and maiming thousands of innocent people by manufacturing bogus evidence for a war they had planned for years and when caught at their parade of lies, say in a straight-forward, comfortable-in-their-own-skin kind of way that it doesn’t matter because it was still the right thing to do. Know what I mean?