Top definition
Someone who marries your Twin sibling ..
Jack: ayo twin in law come help me with this project
by __mybumhole__1 October 17, 2020
Get a Twin in law mug for your sister Beatrix.
Apr 22 Word of the Day
When you eat dirt for the first time and leave your family to build a shack in the woods
Bro since I got dirtpilled on Tuesday I have made sooo many worm friends and made them soo many little houses to get married in. Me? Lonely? No you’re the lonely one u lawn owning freak
by ecogoth December 30, 2020
Get a dirtpilled mug for your guy José.
2
When one of the married couple shares the same birth date as the other spouses siblings.
Jon A. (birthday december 13) marrys Anna P. whos sister Kelly P. (birthday december 13).
Jon and Kelly are Twin-In-Laws!!!
by Jkasp November 12, 2009
Get a Twin-In-Law mug for your father Bob.