Mark I (Mark One)

The first in a series.

I saw that with my own Mark I (Mark One) eyeballs.

by Proof_positive August 22, 2011

one

goodbye to someone in which you mean to say, 2 people becoming 1.

see you later baby, one!

by Shanikama December 28, 2005

one eyed brown monster

The forehead pattern after enjoying a powerful sewage slurp.

"I looked at Gorgeous Dale walk out of the bedroom and the one eyed brown monster was dripping from his forehead."

by SmartAlek January 10, 2014

That one guy nobody invited

That one unwanted person who ALWAYS finds a way to get into your conversations no matter the topic.

You: “Remember that one time back in high school when you-“
Random kid across the room: “I remember that!”
The friend you were talking to: “Oh my gosh it’s that one guy nobody invited”

by thatonekidnextdoorlol October 7, 2025

one-fortnite stand

A “one night stand” that extends in to 14 days. The completion of which generally terminates any further relations.

Yo, I took this stray home from the bar the other night and we completed a one-Fortnite stand. Icoukdnt get her to leave. Turns out she was homeless. And still is…

by All city September 19, 2022

one nation

When a person wears and repeats the use a particular item all the time.

Mehn these my blue trousers have become one nation.

by Omoyemi T May 10, 2008

one eye wonder

South of the border aka hop on the vag train

Will you let hunter play with your one eye wonder?

by Hunterlover123 May 27, 2017