Spouse's fourth-cousin's spouse.
My co-fourth-cousin-in-law is a good person.
by JAMP12 September 21, 2021
Get the co-fourth-cousin-in-lawmug. by Matsu Robot June 23, 2022
Get the According to all laws of aviationmug. My stepsister-in-law is a good person.
by Wonbig October 13, 2021
Get the stepsister-in-lawmug. 
When a conversation goes on longe enough, it will inevitably become about Communism or someone being actively racist
by Controlfreak91102 November 29, 2020
Get the Controlfreak's lawmug. 
The great-grandparent of one's spouse.
My great-grandparent-in-law is a good person.
by Rwopazaq November 24, 2019
Get the great-grandparent-in-lawmug.