a phrase used by people, mostly of the European-American variety to get a fellow human being to do something that they would not normally do.
"Yo, just jump your BMX off the roof of the house. You have to try everything once!"
"Baby, come one. You have to try everything once. Now, suck!"
"Baby, come one. You have to try everything once. Now, suck!"
by D. William P. March 28, 2005

by gbpackerbacker August 9, 2017

See fair-weather Christian and C&E Christian.
A person who only goes to Catholic mass to observe certain holidays, usually once or twice a year. This includes people who are forced to go, people who go voluntarily, believers and non-believers.
A person who only goes to Catholic mass to observe certain holidays, usually once or twice a year. This includes people who are forced to go, people who go voluntarily, believers and non-believers.
My family were a bunch of Once-A-Year Catholics, so whenever they made me go I got an anxiety attack for the whole mass.
by No Derps May 31, 2018

A friend who isn’t readily available to you even though you swear you’re tight and refer to them as a bestie. Although you genuinely get along well, you’re still not in their top tier of go-to friends. Realistically, you’re just inbox and text buddies who may happen to hang once a year.
She thinks her once a year friends really give a shit about her, they wouldn’t piss on her if she was on fire.
by Yellowcard65 July 26, 2021

1. A jokey name for the Irish patriotic song "A Nation Once Again";
2. A patriotic statue with a fountain in Dublin.
2. A patriotic statue with a fountain in Dublin.
by Edna Sweetlove July 30, 2010

Relatives, usually extended, that you only see once or twice a year on major holidays. Usually these visits are preceded by a great deal of apprehension and distress.
Jessica: So, I'm getting my hair refoiled, my nails done, and then going out and eating my body weight in chocolate
Becca: Oh..once-a-year relatives coming into town?
Jessica: Ya. I hate the holidays!
Becca: Oh..once-a-year relatives coming into town?
Jessica: Ya. I hate the holidays!
by razorclam April 7, 2010

by ririkaa December 27, 2021
