Ass, Lip and Cheek Explosion

"In Den Endkampf, give a Zombie or Panicked Survivor cheap plastic surgery."

- Achievement description }

 is an achievement in the Zombies map Den Endkampf. It requires players to kill a Zombie with the Suction Waffe, which creates a vacuum and causes them to explode.

Trivia

 * 'Foster the Zombies' is a parody of the band 'Foster the People'. All achievements to do with Den Endkampf have something to do with the Key of Awesome's parody of their song 'Pumped Up Kicks'.
 * is a reference to the line "Ass, Lip and Cheek Implants" from the parody.