What is funny about the turkey jumping a log?

I do not find this funny at all. My boyfriend asked me if I wanted to find out what happened when a turkey jumped a log, I said yes and he pulled my hair then they all started laughing. What is funny about that? That has nothing to do with a turkey or a log. I asked if maybe while a turkey is jumping over a log he pulls a feather or something. Please give me some in-site on this so maybe I could also find the humor in it.


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