BYY 

Basganin Yandan Yemisi. a.k.a Fateh. Used for a gay still in the closet when married and have kids.

BYY did it again.

BYY tried to touch my junk bro!

BYY by nuttyprofessor1907 December 18, 2018

byyro

A term used to describe a hyper but fun person, male or female.

He is such a byyro!

byyro by Ihavewee November 23, 2022

BYYFH 

Better yet you’re fuggin hot

MILF to young guy: See, we can play nice.
Young guy: Better yet you’re fuggin hot.

Or if you want to be cryptic, BYYFH

BYYFH by Chriuuuhhh November 7, 2020

Byyahhh 

some goofy ass kids on youtube that make funny videos, they're famous for making the video "I Got Me Some Tape" and "Yahh Bitch"

I'm going to watch some Byyahhh videos today.

Byyahhh by bigfatflipdude August 22, 2007

Byyg 

A term being frequently used in Germany, Denmark and Sweden.
The definition of "Byyg"=Oladengrymme (OlaTheCruelOne).
Byyg often describes someone that's being a tard, n00b or just something rly bad.
Can be used as a verb ---The infinitive is "Byygar".

(Prounounced: Büüg/biiiwg)

Omg, you're such a byyg.
Why?
Because you have rly long hair, you're a dude, ffs!
=)

Byyg by BigKingXXXL(////MEAL February 22, 2008

byye

BYYE, also known as big yuck yikes energy is commonly used to describe girls with really slick hair buns. These types of people tend to be really aggressive with their friends.

Katelyn your byye is too overwhelming for me right now.

byye by Daniel Klaus October 13, 2018

byyyyiiiiiieeee! 

it's like saying goodbye, only in a weird way. usually you're an annoying girl if you use it

Sadie: I'm really drunk

Katy: Me too. Dead, byyyyiiiiiieeee!

byyyyiiiiiieeee! by ndoggy June 30, 2011