What is Sister Slammer?
1.
The act of screwing your sister.
Not a name to be proud of.
Nasty, gross and wrong.
Usually due to country lifestyle.
see
Random Guy: Dude, did you hear? Last night john screwed his sister.
Random Guy2: Ew... Bekka? He's a fuckin' sister slammer
See
Random Words:
1.
Fear of heaven.
She has a serious case of uranophobia...
1.
The lead singer of the band Sugar Ray.
Mark McGrath is the lead singer of the band Sugar Ray.
See mark, sugar, ray, music, fly, 14:59,..