The origin of the word "fungo" is unknown and argued upon as there are many possible options as to the origins of this unique word. It is assumed by many to be derived from the Scottish word fung meaning to pitch, toss, or fling. This would make sense, as fungo bats are designed to do just that. Or, the alternative to this origin is that fungo comes from 1937 where David Shulman, writer for the American Speech, said, "My guess is that the word, which is baseball slang, may be explained through the elements of a compound word, fun and go." Lastly, a third belief is that the word fungo comes from an old game, similar to that of baseball, where the players used to chant, "One go, two goes, fun goes." 
Padded support shorts sometimes worn to protect the thighs when the player slides into the bases. Some sliding shorts contain a pocket for a protective cup. This is so the player does not have to wear a jockstrap and sliding shorts at the same time, although many players find the cup is held in place better by wearing it in a jockstrap under sliding shorts.
The fungo is used by a coach to hit balls for defense practice. It is lighter weight, so less fatiguing to hit ball after ball. The fungo sheds its weight above the hands. The severely tapered barrel to drops weight and maintains a high moment of inertia. While the bat would be at greater risk of breaking if used in a live batting exercise, it is safe to use in practice because there are much fewer mis-hits.

The most obvious reasons to utilize a fungo bat is the fact that it’s lightweight. It’s handy to coaches when conducting fielding practice since he or she has to hit plenty of balls to warm up his or her players. What is for sure is that hitting countless balls during practice can be tiring. Consequently, having a bat that’s lighter weight is magical at preventing the coach and/or players from getting tired.
A fungo bat's size and weight make it easier to operate with one hand or two. Coaches can toss a ball up with one hand and hit pop flies or ground balls farther and with greater accuracy with a fungo bat than with a regular bat. According to an article by LJWorld, high school baseball coach Brad Stoll said fungo bats allow him to hit more balls because heavier regular bats would "wear you out." Fungo bats should be used as a practice tool only and should not be used to hit a pitched ball.
For starters, we should clarify just what we’re talking about when we say fungo bat. Longer, lighter and thinner than a regulation bat (but a larger barrel), a fungo bat is typically 35 to 37 inches long, and weighs between 17 and 22 ounces. As David Allison wrote in the June 1978 edition of Country Journal, “A fungo bat looks to be a cross between a baseball bat and a broomstick.”
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