To me, that one has an air of surprise and awe attached to it...but without the overtones and suggestions of imbecility that some posts demand.Agreed on this one, though we sort of already have an emoji to cover that, which I do use on occasion, the open mouthed wide eyed emoji sort of covers it I reckon.
Cumbersome? Maybe, a bit...but I like it!WTFAYBAN is a bit cumbersome, eh?