Booster seat 

When one person in a friend group is a year younger, they are known as “booster seat”

Where is booster seat? She is too young to be by herself!

Booster seat by Schmucky May 2, 2021

Booster seat 

A seat usually used for children between the ages of 4 and 12.

If you're at least 4 years old but under 13, you should be in a booster seat

Booster seat by Corey Margera is the best February 12, 2022

booster seats 

n. The seats on a stage behind a politician where the mindlessly supportive folks sit and nod at every banal utterance and lie.

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As soon as the primaries start we will need to re-inforce the stage and install four more rows of booster seats.

booster seats by gnostic3 July 9, 2023

Booster Sex 

The term of being in a tank .io game such as diep.io or arras.io while using the ranger tank, going to the back of a booster tank and going in and out. The layer of the ranger must be below the boosters layer.

Man 1: I love booster sex
Man 2: Me too
Man 3: Target Locked

Booster Sex by Octavs November 14, 2023

Swagger Booster

A folded piece of paper in one's back pocket placed so that it is slightly visible used to draw attention to one's butt.

I use a swagger booster for the ladies so they check out my rump.

Swagger Booster by Chilu November 29, 2011

Swag Booster 

When you bring a dec girl to a club with you as a friend. You start the night by dancing with her to build up some swag. You then are in full creep mood from there. But when things get rocky you go back to her and dance with her again to build up the swag.

Guy: Man I started off the night real bad... had to go back to the swag booster and from there got so many more women.

Swag Booster by Tremendous Stud January 6, 2011

Stat Booster 

someone who tries to make themselves seem way cooler than what they really are. yeah, you know that you know one. we all do. but if you don't, your probably a stat booster.

a stat boosters most common place of stat boosting occurs on facebook. ppl who post pictures of themselves that make themselves look more attractive, or that they lead a more interesting life than what they do.

Stat Booster by SoItsLikeUm May 16, 2010