1. An ancient scottish sheep dog 2. (vulgarous slang) the spoon one carries to sample one's urine and other bodily fluids; traditionally made of pine wood, although dispossible plastic spoons are more common today
A dickpoo is a person who has sex with girls in the poo. in other words they have sex with their assholes, which results in a pooey dick, therefore dickpoo is the shortened term.