to masturbate.

Can be used as a noun or verb.

Based on the results from the survey which reports the average man masturbates 7.2 times per week, or just about one-a-day.
"Sorry I took so long in the shower, I had to do my one-a-day"

"I just one-a-dayed all over the keyboard, anyone know how to clean that up?"

Jack: "Hey dude, why are you so whiny today?"
Jim: "I know, I'm so stressed out"
Jack: "Did you one-a-day yet?"
Jim: "Not yet! BRB ;)"
by reddan69 January 22, 2012
A Song from Dixie D'amelio, a girl who got famous because of her sister. It's one of the most basic white girl songs on the planet and has terrible auto-tune
"You know the song 'One whole day'?"
"oh you mean the one by dixie d'amelio? yeah it's terrible"
by v0lts January 9, 2021
Some day that could be anywhere between yesterday and the day you were born. It can be used as an alternative to 'The other day' at times.
One fine day we had fun at that cafeteria!
by Rawas July 1, 2018
2 simple words that can mean the world to some people. It can be used too describe 2 ppl who can't be together but want to they use one day as a way too connect which is something that means the world to them. Even if they think they don't believe it anymore, they are secretly still hoping for their one day together
by Volleygirl189 February 24, 2015
(Idiom) followed by a wish for the future.
One day I want a ferrari 250 GTO/a mansion/a penis/ a doggie!/a job/ a girlfriend/a hitler moustache/ your phone number/ yo mama!
by Kung-Fu Jesus May 5, 2004
A euphemistic way of saying never.
My boyfriend keeps asking for anal sex. I tell him I'll let him put it in my butt one day, but we both know it's never gonna happen.
by Not Getting In My Butt September 24, 2009
Euphemistic way of saying never.
My mum told me I'll be president one day.
by One Day I'll get a name September 28, 2008