Cousins who are raised together, and act more like siblings.
Sebastian was an only child, but grew up next door to his couslings Charles and Camille.
by Dotti January 10, 2014
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To be cousins and siblings at the same time
Lisa married Hank and had kids. Hanks brother Tim came along had sex with lisa, that made Hank and Lisa divorced and later Tim had kids with Lisa, making Lisa's kids Couslings
by BDPking101 April 4, 2020
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Cousin + youngling = cousling

To refer to cousins significantly younger than one's self or to a cousin's children.
My cousin asked me to look after his kid, and I told him I was happy to spend time with my couslings!
by Tastiest Avenger September 11, 2023
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when 2 kids from sisters have the same dad
michelle and tiffanys kids are couslings
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