swoose noun3 •(informal) An animal cross between a swan and a goose, especially one produced from a male swan and a female goose.And this one's a cross between a swan and a goose, and we call him a swoose. — 1968 •(informal) A person or thing sharing the characteristics of two otherwise separate groups; a hybrid (also see Swoose)The associate in arts or A.A. degree, another "swoose," has quickly established itself as the community college degree in a degree-obsessed nation. — 1970 •(slang) A stupid person. formssweese · swooses