Flat

can be a term used for a phone as in the battery is dead

Person 1: “can you send me that?”
Person 2: “no my phone is flat”

by lizoge January 30, 2021

Flat up

When a bubbly liquid, like soda, goes flat

"I hate buying 2L bottles of coke, they always flat up quickly"

by philcagitz July 29, 2024

Flat

What ur GF is

Bruh, my girl is Flat

by Saucetoe June 17, 2020

flat minor

It’s a woman ( or man ) under 18 who is not fully developed in the chest area.

Wow that’s a flat minor!

by readysethaction July 1, 2018

Flat Out

Very busy. From the Aussie idiom, "flat out like a lizard drinking".

I'd love to come over but I'm flat out!

by Luichoy August 1, 2016

Puerto Rican flat tire

When someone replies "PSSSSSSSSSH"
To anything said to them.
Basically saying they don't agree making the sound of a flat tire.
Mostly done by Puerto Rican females

Hey you dating that BBC?
Pssssssh (Puerto Rican flat tire) sound

by Puertoricanflattire March 15, 2020

Flat-A

It's the word when you're a smart ass and you're just such a big piece of shit that you're just a fricken Albert Einstein Mofo.

It's not an A- or an A+ it's just a nice flat and juicy A

Dis dumbass mofo: Yo what'd u got on the test u nasal passage
Dis Smart ass mofo: Haha I got a Flat-A
Dis dumbass mofo: Wow, ur such a nasal passage.
Dis Smart ass mofo: Haha, at least I'm not a refurbished Amarjeet Fifa support.

by JuicyFatPigletSlayer February 5, 2018