Marmaduke is upset that it is too cold to use the hot tub, so he began yelling.

Marmaduke is bartering with his owner-boy. Owner Boy is offering a bunch of stuff dogs like to chew on or eat for a baseball, which Marmaduke probably stole.

Marmaduke slept on his owner-lady's lap all day, preventing her from being in the kitchen.

Marmaduke does not want to eat a bowl of Daug Food-brand dog food, which he considers to be distasteful. Marmaduke's owner-man tells Marmaduke it would be in his best interests to develop a taste for the food, as Owner-Man bought a very large quantity of the product and has thus committed Marmaduke to several weeks worth of Daug Food meals.

Marmaduke is a Freegan.

Marmaduke shits bones.

Marmaduke likes being a dog, due in part to his flexible schedule.

Marmaduke has committed unspecified mischiefs against his owner-lady and is hiding from her in an ineffectual manner.

Marmaduke is being held in his backyard against his will. Rather than destroying something or threatening physical violence to get his way, he writes a distress signal in the snow in an attempt to communicate with passing aircraft, birds, or Google Earth.

Marmaduke is stoic.