fourth plane

Having no purpose, use, or sense, or any positive or beneficial effect.

referring to the fourth plane during the September 11th attacks that crashed into the Pentegon

see also: first, second and third plane

Going to that lame party was fourth plane!

by Helbard December 8, 2003

fourth-cousin-5X-removed

Fourth-cousin-five-times-removed (4C5R).

My fourth-cousin-5X-removed is a good person.

by N8953SW June 26, 2021

6.5-tuple-fourth-cousin

6.5-tuple-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and thirteen great-great-great-grandparents in common.

My 6.5-tuple-fourth-cousin is a good person.

by ABGR June 9, 2021

fourth-cousin-in-law

1- Fourth-cousin's spouse.
2- Spouse's fourth-cousin.

My fourth-cousin-in-law is a good person.

by JAMP12 September 21, 2021

decuple-fourth-cousin

Decuple-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and twenty great-great-great-grandparents in common.

My decuple-fourth-cousin is a good person.

by ABGR June 9, 2021

duodecuple-fourth-cousin

Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and twenty-four great-great-great-grandparents in common.

Duodecuple-fourth-cousin.

by Cerejini May 21, 2024

septuple-fourth-cousin

Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and fourteen great-great-great-grandparents in common.

Septuple-fourth-cousin.

by Cerejini May 21, 2024