1 definition by ahhhhhhhhhhhhhhhhhhhaha

Top Definition
SF means Saturated Fat

it can be woman or man, usually fat ugly and full of themselves...literally.
please see third paragraph down on "c dub" for further clarification
yo did you see SF today? she ate my Doritos and drank all the beer and now shes all over my boyfriend!
by ahhhhhhhhhhhhhhhhhhhaha April 05, 2010

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