When during class the physics teacher starts talking about his adventures where he saves his wife from drowning. Then he stands up and slaps every student with his massive shlong. He then goes on to give out free backshots and the principal also gets some.
John: Jo bro why'd you get sick today? You missed out on the Dirty Dammer!
Michael: Oh no, so unfortunate!
When you stick a tube up your butthole and turn on the vacuum-pump so it sucks everything out of your ass.
Gian: "He was playing around whit his friend and he accidentally got a dirty Dammer"
Ulrich: "Oh no poor boy!"