1. to waste time doing nothing

2. to make a severe mistake
Don't just stand there and fuck the dog, get going.
by The Return of Light Joker March 18, 2008
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Just like it says. A division of beastility that involves sexual intercourse between a dog and a human being.
Animal Porn slut: "I'm ready to go on camera and fuck a dog."
by Suck My Dick March 22, 2005
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to have screwed up or failed at a task, usually spectacularly or with disastrous results. Said failure can involve lack of effort or lack of competence and usually both. Vulgarization of "screwed the pooch."
Bridegroom: dude the whole stripper-in-a-cake thing is more fun when she's not 74 years old and narcoleptic
Best man: yeah i really fucked the dog on that one didn't i
by eggy mule August 19, 2010
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hiding out somewhere instead of doing your job during working hours
Tony..."Where`s Marty?" Jack..."The boss just left for the day so he`s probably out fucking the dog"
by Boobird September 21, 2009
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Totally screwed up; performed exceptionally poorly
"You lost the Johnson account?? You fucked a dog this time!!"
by rararajaj October 23, 2003
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To commit to the least amount of exertion possible while remaining efficient to the lightest extent.
Boys, we're ahead of schedule. We can fuck the dog until the boss comes.
by Alex87 November 5, 2005
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To do nothing, procrastinate, or avoid doing a task that is undesirable
I was sick of doing school work so I took the day off and fucked the dog
by Omallley April 12, 2005
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