3 definitions by hahaidontgetit

Top Definition
When one becomes depressed as the fun of the holidays comes to an end and everyone has to return to their boring, everyday lives.

Often goes hand-in-hand with christmas tight.
Bob: "What is Steve's problem?"

Sue: "I think he has a severe case of Post-Holiday Depression (PHD). I heard him crying when his co-workers in the next cubicle were talking about their holiday vacations.
by hahaidontgetit December 27, 2009

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The poop you have to take almost immediately after ingesting Mc Donald's food.
I'll be back in 10 minutes... I had a big mac for lunch and i have to go take a mc poop.
by hahaidontgetit April 03, 2009

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Someone who uses their own body fluids/wastes to terrorize others.
1) "There was a huge pile of human poo on the floor outside of my door this morning. I see the biological terrorist struck again."

2) "Tom is such a biological terrorist; he was trying to touch me with a booger he picked out of his nose. Gross."
by hahaidontgetit April 07, 2009

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