Even back in 2004, “MacGyver” had been off the air for 12 years, but even today, people still get the reference.  Well, people over 35, probably…I’ll bet that anyone in their 20s would look at you slightly sideways and stroke their awful hipster beards.  I have NO idea where this one came from, other than Pinnochio being nervous any time anyone wanted to start a fire.  I like my take on the old Wooden Boy here, and his expression sells the joke nicely.