Top Definition
the female version of "duck butter." its a combination of vaginal discharge, swamp ass, dead skin, ass milk, and small traces of lint. it usually smells like a mixture of sourdough bread & raw salmon. known to melt just like margarin once it hits your warm lips.
girl i thought i told you to shower after your triathlon race, you got yo goose margarin all over my lips again
by Sexblood September 15, 2009
6 Words related to goose margarin

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