SomeOne that would like to do sexual things to his/hers sibling but the only thing stopping them is the fact they are blood related.
Man1: would you do things to your sister if she wasn't your sister ?
Man2: yeah probs !!
Man3: ewww Mattie Boombatty
Man2: yeah probs !!
Man3: ewww Mattie Boombatty
by wag1rudeboi March 26, 2020
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