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.
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Random Words:
1.
1. A medical condition in which a guy's penis is hard when turned off and limp and useless when turned on.
2. A term used to defin..
