Y/N 

Your Name - usually used in fan fictions so that you are the main character

"Y/N!" lindsay called, "where are you?"
"be right down"
"we're gonna be late Y/N!"

Y/N by thenewcanaanlife February 15, 2013

y'all'd've'f'I'd've

A contraction for you all would have if would have.

Person 1: *backs out of doing something*
Person 2: y'all'd've'f'I'd've

y'all'd've'f'I'd've by Queen._.Bee January 22, 2017

y'all're 

A super mega contraction of the words "You" "All" and "Are."

Also, the definition above this one can't spell truncation properly.

"I hope y'all're happy now." --Deceitful Steve

y'all're by Strobel January 13, 2006

y'ain't 

A three way contraction combining the words you are not or you ain't.

y'ain't got shit on me son!

y'ain't by DaveNoMore August 29, 2013

y'cuda 

Combination of the words 'you're a barracuda'. It's a good way to tell someone they're being real fucking stupid. Coined by the legend himself, Chris D'elia.

Hey man, do you wear sunglasses at night? Y'cuda!

y'cuda by Seahammer August 3, 2017

Y’all 

When you mean all of you

Y’all we got it like that like that

Y’all by RTEC June 11, 2006

y'idiot 

y'idiot is short form for "you idiot", and if you say "yuh idiot" really fast, it becomes "y'idiot".

2+3 isn't 6, it's 5 y'idiot.

y'idiot by timoko mikoto February 9, 2012