South Park: The Stick of Truth - Gingivitis Achievement

Achievements - Gingivitis
Let Gingers bite you 3 times without blocking.

**This is a Missable Achievement **

This achievement must be obtained either during your first visit to the school, during the main story quest to free Craig, or during your second visit when you assault the school. During the first visit, numerous Gingers can be taken out with the environment, and the game will prompt you to do so. During the second visit, however, the Gingers will be zombies, and therefore much more likely to bite you, so it might be easier to farm this achievement during your second visit.
*NOTE that if a Ginger bites your ally instead of New Kid, this still counts toward the achievement.