Jackie Poo is an anthropomorphic canine with a height of 5'10". Her entire body is covered in soft, fluffy brown fur with a warm mocha-like coloration. She has floppy ears that naturally reflect her emotions, often perking up when she is interested, surprised, or curious, and drooping lower than usual when she is sad, disappointed, or grumpy. Her fur is somewhat messy and unruly, particularly around her hair, which is the same brown shade as the rest of her coat. Jackie has an unusually large, upright tail that nearly matches her height. It is covered in a thick, heavy layer of fur that can easily collect dust and debris, requiring her to clean it regularly. She has a plus-sized, chubby build, with a prominent midsection that tends to bulge noticeably beneath her clothing. Her lower body is especially full, with thick thighs, hips, and a rounded rear, while her upper body is comparatively less pronounced. For clothing, Jackie wears a comfortable black hoodie paired with matching black shorts. The shorts are fitted and quite short, often being completely concealed beneath her oversized hoodie when she stands. She also wears two white ear piercings.