| 1. | sister slammer | ||
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The act of screwing your sister.
Not a name to be proud of. Nasty, gross and wrong. Usually due to country lifestyle. see incest, inbred, redneck. Random Guy: Dude, did you hear? Last night john screwed his sister.
Random Guy2: Ew... Bekka? He's a fuckin' sister slammer |
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