once in a lifetime

something so incredible i happens once in a lifetime, regardless of deserving

Once in a lifetime, uttelry impossible.

by THE REAL JULIA December 7, 2006

once and for all

To accomplish the objectives in one go to the degree where it need not be done again.

Facism in Europe was supposedly ended once and for all. When people forget what it did, and the war vets are all dead, it may rise again.

by Kung-Fu Jesus May 2, 2004

Once a Marathon Match

Based on the 11 hour 5 min match at Wimbledon featuring Nicholas Mahut (FRA) and John Isner (USA) where they played 138 games in the fifth set alone and where most records were completely shattered.
It refers to anything an event or oddity that will almost positively never happen again.

The strange disappearance of an entire civilized city in Mexico was a once a marathon match

by akararules June 27, 2010

Once Upon a Time in the West

A western from '68, with Charles Bronson and Henry Fonda.

Charles Bronson is the revenger: Harmonica

Recorded in 2D - and the meanest western ever...

"Did you go to see the Avatar in 3D?"

"No i saw Once Upon a Time in the West, it's about a man playing the harmonica, and if that aint country, you can.... "

by squaier March 20, 2010

onlent

The need for self preservation by returning to animalistic behavior

I have felt the face of onlent wear itself on me for too long

by Eozie July 19, 2021

Ketchup Once

A twice fan that constantly uses old jokes like, tzuyoda, cheese kimbap, sanake, and iS sANa gaY XD. Can be seen on the Instagram explorer page

Ketchup once: OMG tzuyoda was so funny last night XD omg sanake getting her prey o_O
Normal once: ...

by LLuigi October 24, 2019

once in a blue moon

To do something very rarely, once in a while.

I don't usually hang out here, just once in a blue moon.

by Roboot February 3, 2007