Gender neutral term for nieces and nephews. Gender neutral term for children of one's siblings. Sibbie (singular), sibbies (plural)
by Nusi Nashoba January 27, 2019
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Get the sibilance mug.A person who wants a song written about her by Strong Bad cuz she's so boring no one else will do it.
by YaYaYa August 3, 2003
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Get the Sibbie mug.my best friend who has an undieing love for strong bad. and that libbie the chicken girl at ten girl is not her!
by Coley-the friend of sibbie- January 27, 2004
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