Well...the dog food does remind me of one, but I hesitate to tell it because it paints me as an asshole and...oh hell, why not...
When I was in the Navy and stationed at Great Lakes for Electronics School, the crowd I hung with were, shall we say, well acquainted with recreational drug use (this was back in the days when you could easily get away with this in the military, 1979). Anyway, we all decided to trip one Friday (uh..ingest hallucen..oh, never mind; drop acid if you don't know!) and one guy we all knew who had never tripped before wanted to join us. Well, hell, it just screamed for a quick and dirty head fuck, so one guy picked up a can of beef stew, and once the 'cid had kicked in, began acting sick to his stomach and made a convincing show of puking the can on to a chair. The rest of us dove in and started cramming bits of beef stew into our mouths. The victim? Collapsing giggle fits. What else were we expecting under the circumstances?
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Disclaimer: Kids, don't try this at home. This was long ago and far away, in a world far removed from our own. This substance is dangerous and I am NOT recommending that anyone use it for recreational or other purposes. Please, the abuse of Dinty Moore Beef Stew is a serious thing!