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
referring to the fourth plane during the September 11th attacks that crashed into the Pentegon
see also: first, second and third plane
by Helbard December 8, 2003

Fourth-cousin-five-times-removed (4C5R).
My fourth-cousin-5X-removed is a good person.
by N8953SW June 26, 2021

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

the greatest band to ever exist , featuring the greatest artist to ever exist who went on to be a math teacher
by hamgurber-gaming September 8, 2022

That one girl in the group of girls (which there are usually 3 popular ones) that is right on the cusp of being cool, but she's not yet she is constantly thinking she is and doing everything the other girls do to fit in. When she is not around the other girls dis on her.
by SlimShugga November 6, 2012

A fourth-dimensional vampire is someone who lives in a different timeline and only seeks to further their agenda, often times only appearing to vibe check unsuspecting people engaged in a different activity.
Derek:"Dam I can't believe Steven just dropped by to laugh at me playing cards at the local casino."
Josh: "Doesn't that dude have gremlins now? I haven't seen him since we graduated highschool 10 years back."
Derek:" Yea he hasn't changed much, he really is a fourth-dimensional vampire."
Josh: "Doesn't that dude have gremlins now? I haven't seen him since we graduated highschool 10 years back."
Derek:" Yea he hasn't changed much, he really is a fourth-dimensional vampire."
by Capuchin for Hire June 20, 2021
