Some do-it-yourselfer (Prot) claims that, because the thumbs are not tucked over the middle fingers, the sign actually means "I love you." She claims it is a "combination of first letters" of "I love you" in American Sign Language.
I've heard of portmanteaux, but in sign language???
Also, Ratzinger is the one who coined the phrase "studied ambiguity," and he has used studied ambiguity to wreak great destruction.