"That's Disgusting"

Shock and Awe! Poor Geoff is appalled by my utter lack of aesthetic. "What the heck is that thing?" he asks as his eyes move in on the most recently posted photograph. I think the appropriate question is, "What was it?" Anyone care to guess? I'll make a contest of it and offer a grand prize to the first person who can tell me what it was in no more than 100 words.