Bully

Difficulty: Easy-medium

Bully is a secret achievement on Plants vs. Zombies Adventures. It requires the player to stun the same zombie three or more times.

Trivia

 * This achievement and Teacher's Pet are most likely references to school terms. In this achievement's case, it refers to someone who does bullying.
 * They are also the opposite of each other.
 * This achievement and Look Ma, No Hands! is impossible to get at the same time.