Top definition
A person that is utterly repulsive. Their personal qualities are comparable to that of a sewage tanks. They are filled with an overload of disgust and can be considered just a volume of waste to the rest of the surrounding world.
Jake cheated on his girlfriend, stole from his grandma, and stomped on a squirrel. He is a Sewie.

Sarah: "I caught Jake cheating on me again"

Sarah's friend: "Ew, you need to dump that Sewie."
by MARictionary January 19, 2015
Get the mug
Get a Sewie mug for your cat Trump.