A fungo bat is used by the coach to hit ground balls or fly balls to his team. All throughout high school and college many players use fungo bats to play fungo golf. This is when each person has a fungo bat and a baseball and they pick out targets around their field or complex and basically play it in the same manner as golf. Fungo bats should not be used to hit a pitched baseball because they are much weaker than normal bats and will break much much easier.
First base fungo hits fly balls to center field (helps here if both fungo hitters move up and apart, hitting from about the front of the mound extended towards the bases). Center throws to second, second baseman is cutoff (for us it was, anyways - change to suit your style). Third base fungo hits balls to left field, who throw to third, with a second shortstop as cutoff (but you really don't need one, if you're shorthanded).
Next, third base fungo hits to left, who throw to second, SS cuts (make a few of these the "cut off a double on a ball hit into the corner" variety - timing becomes important here, as the other fungo needs to hit many fewer balls than the fungo hitting to left). First base fungo hits to right, who come home, first baseman is cutoff, 60' from home (about pitchers mound - this postitioning puts him out of harms way should the SS overthrow second). On the throws home from right, make sure that they are the "normal" kind - hit the cutoff man, and don't hit too many. The right fielders will get to go again, as they're last throws will be the "do-or die" variety.
To figure out who shoots first, players usually throw or roll a baseball to a certain object (usually at close range) and whoever is closest shoots first. The first person then gets to choose the first hole and tees off. To tee off (and for most shots) players hit the ball like they were playing baseball, but depending on the distance from the hole the player may choose to ‘putt’ the ball instead of hitting it. To putt the ball, the player places the ball on the cup (the end of the fungo bat), and can toss the ball from the cup in hopes of getting a more accurate shot. In shooting or putting, the player must have one foot where the ball landed during the entire duration of their swing or putt, failure to keep the foot planted results in a loss of a stroke. Scorekeeping is identical to traditional golf; the player with the fewest strokes essentially wins the hole. Players traditionally play nine or eighteen holes of fungo golf, and at the end the person with the fewest strokes in the set number of holes wins the game.