Editing 2521: Toothpaste

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Cueball is so disgusted by this suggestion that he states that Megan's suggestion is the worst thing <i>she</i> has ever said.  
 
Cueball is so disgusted by this suggestion that he states that Megan's suggestion is the worst thing <i>she</i> has ever said.  
 
   
 
   
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The joke then comes when Megan assumes that Cueball's original analogy still holds, that taking words back is like putting toothpaste back in to the tube. So therefore she ''can'' actually unsay something. She starts to say exactly what Cueball's other friend did "Sorry, I can take it back". But then she says, "It's just like--", and was presumably about to continue,  "--putting toothpaste back in the tube" (or perhaps, since it's Megan, was going to give a new analogy that was even worse). However, Cueball forcefully interrupts her, because the idea of putting toothpaste back in the tube now evokes the distasteful mental image of Megan blowing used toothpaste back into the tube.
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The joke then comes when Megan assumes that Cueball's original analogy still holds, that taking words back is like putting toothpaste back in to the tube. So therefore she ''can'' actually unsay something. She starts to say exactly what Cueball's other friend did "Sorry, I can take it back". But then she says, "It's just like--", and was presumably about to continue,  "--putting toothpaste back in the tube". However, Cueball forcefully interrupts her, because the idea of putting toothpaste back in the tube now evokes the distasteful mental image of Megan blowing used toothpaste back into the tube.
  
 
Toothpaste is normally loaded into the tube from the back, before it is crimped shut. However, it should ''technically'' be possible to push an extruded amount of paste back in from the front by wrapping one's lips around the whole front of the tube and blowing the paste you have in your mouth back in. This positive pressure can re-inflate the tube the same way one blows up a balloon. However, blowing the toothpaste back into the tube would be highly unsanitary, and as the main purpose of toothpaste is to clean teeth, the end result is both counterproductive and disgusting.{{citation needed}} In some cases paste coming out of a tube will be sucked back in if the pressure is released. Such containers would probably be able to suck toothpaste back in, if it was still lying on the toothbrush in one blob (or on the table/in the sink if dropped). As above mentioned this would be unsanitary as germs etc. could get back inside the tube, where the paste is supposed to be clean.
 
Toothpaste is normally loaded into the tube from the back, before it is crimped shut. However, it should ''technically'' be possible to push an extruded amount of paste back in from the front by wrapping one's lips around the whole front of the tube and blowing the paste you have in your mouth back in. This positive pressure can re-inflate the tube the same way one blows up a balloon. However, blowing the toothpaste back into the tube would be highly unsanitary, and as the main purpose of toothpaste is to clean teeth, the end result is both counterproductive and disgusting.{{citation needed}} In some cases paste coming out of a tube will be sucked back in if the pressure is released. Such containers would probably be able to suck toothpaste back in, if it was still lying on the toothbrush in one blob (or on the table/in the sink if dropped). As above mentioned this would be unsanitary as germs etc. could get back inside the tube, where the paste is supposed to be clean.

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