one way to die is to hit the bush. here are the steps

1. walk up to bush
2. whack the bush with you bat
3. explode

another way to die is to die by crab, here are the steps

1. walk up to crab
2. whack the crab with your bat, this should start a battle
3. die to crab. the crab has many attacks that drain your health bar. get it all the way down to die.