by Disman September 4, 2018

This kid got a big one when he changed in the locker room. He looked down and "tried" to show it off.
by biggiggles May 22, 2018

When something is so plain it's like a big bag with a cookie in it that has the word "cookie" plastered on it
by lil shart May 10, 2025

Here's a breakdown of the phrase:
"He did": Indicates that the person took action or completed something.
"His big one": Refers to a noteworthy or outstanding accomplishment.
For example, if someone put together a fantastic presentation that wowed everyone, you might say, "He did his big one with that presentation." This means that the person did an excellent job and their effort was notably impressive.
In summary, "he did his big one" is a way of highlighting someone's remarkable achievement or success in a particular endeavor.
"He did": Indicates that the person took action or completed something.
"His big one": Refers to a noteworthy or outstanding accomplishment.
For example, if someone put together a fantastic presentation that wowed everyone, you might say, "He did his big one with that presentation." This means that the person did an excellent job and their effort was notably impressive.
In summary, "he did his big one" is a way of highlighting someone's remarkable achievement or success in a particular endeavor.
by t$$$$$$$$$$ July 26, 2024

To go out with every intention of getting absolutely off your trolley to the point of incoherent words being bubble blown in the ears of strangers, hanging around the necks of those within your party like a human lasoo, very likely ingesting illegal substances, coming home with make up down your face (whether yours or not) and continueing in a blur of sex, music and laughter until the sun comes up.
"I take it you're up to this on Saturday, yeah? We're out on a big one Saturday night, proper out out"
by GDR11 September 18, 2017

by biggersloshmonster April 28, 2025

Miya-“ Did you see the fight?!”
KeKe- “ yea she did ha big one!”
Miya- “ whats a big one??”
KeKe-“ it means she beat her up”
KeKe- “ yea she did ha big one!”
Miya- “ whats a big one??”
KeKe-“ it means she beat her up”
by haddadoitonem September 15, 2023
