This means you're quite a funny but introvert person, you spend your day inside having lots of fun, but by yourself.
Them: Bro why don't you come and hang out tonight with us.

You: Nah I'm staying at home I'm busy.

At home: "partying"
Them the next day: Dude I saw yesterday by yourself dancing, are you maahr?
by LuvMoneyInnit August 15, 2022
Get the maahr mug.