Detect whether a bowl of apple sauce is sweetened or unsweetened by sniffing a tub full of castor oil from twenty feet away.
I always want to respond to these kinds of inside joke threads but the thing is; I am"afraid" that if I try, I will just sound stupid because I’m missing the joke. Is this some type of inside joke I’m not getting? Please let me in on it so I can participate 
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Sounds like something Groucho would have said, but maybe that’s just the apple sauce.
There’s nothing much to get, really.
It could be an inside joke if you respond memorably enough that this thread becomes a legend, then an inside joke…