Acronym for Down To Give Us Candy, a derivative of the acronym DTF which was popularized by the hit show "The Jersey Shore", DTGUC refers to a houses willingness to give out candy on Halloween.
noun:
1) A condition were one feels the urge to have sex with a dog due to sick perversions or desperation
2) can be used to explain a "why" question that would have a drawn out or less funny answer than "because you have dogfuckitis", similar to because you touch yourself at night
Adj
1) Used to describe anything similar or related to dogfuckitis, most often smell
Dogfuckitis is a general slang term that can be applied to anything as long as it fits.
1) Joe: *walks into Dan's room* "Dude, it smells like
dogfuckitis in here."
Dan: "Well why don't you make like a tree then, and get
the fuck out!"
2)Bob has a serious case of dogfuckitis, I walked in on him