A matching top and bottom sweat suit, usually worn at an inappropriate time or place. Sweatsedos are sometimes made of velour, but not always.
Yo, is this purple sweatsedo considered business casual?" or "I'm wearing my sweatsedo to the wedding, because I don't give a fuck!
by Roz_NW June 8, 2010
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Wearing a sweat shirt and sweat pants at the same time.
That guy must be so comfortable in his sweatsedo!
by Rickyisms October 2, 2015
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