What is Fister Sister?
1.
1. a female who likes to engage in the ancient art of fisting with other women.
2. the act of fisting your female sibling.
3. an order of nuns devoted to fisting
1. watch out for that chick, i hear she's a fister sister
2. A: i often like to fister sister
B: you mean, fist a sister?
A: same thing dickhead
3. she is a sister of the fister religion.
See
Random Words:
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A she-man with broad shoulders, popeye forearms, and veins sticking out of her 25" ankles... not the ideal body type for a woman.
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