yefaa 

defined by the famous osama. originated in east finchley.
when your name is called out in the school register this is what u reply. a word which dignifies a sign of respect for the teacher and all other classmates. understand that u gotta say it in the original duck fashion dat made it so famous
can also be used as a substitute instead of a sneeze

You: aiyo carlos
Me: ye
You: whats dat chick u chopped the other day she a good beat?
Me: YEFAA u dun kno

yefaa by Bossdon sleeezy beezy fo sheez January 11, 2012

yesaa 

synonym to the word yes; used to emphasize excitement or anxiousness towards the question being asked. also used to celebrate a victory, or to signify that personal moment of recognition is needed.

craig: did you win the game?
jaqui: yesaa!

yesaa by erieee December 10, 2009

YEAAHHHAHAHAHHAA

Agreeing and laughing at the same time. A clever way of showing that you agree and find something amusing, using the same word. Does not have to follow the exact same spelling as shown above, variations may occur.

YEAAHHHAHAHAHHAA

YEAAHHHAHAHAHHAA by TheAwesomeAsian October 24, 2010

Yeaahh Booii 

can be used in any situation ...

Guy1: Man that chick is so hot.
Guy2:YEAAHH BOOII!

Guy1:I nailed zack's sister last night at his party.
Guy2: YEAAHH BOOII!

Guy1: Dude i my grandma just got killed buy a rabid mongoose.
Guy2: YEAAHH BOOIII!

Yeaahh Booii by Retarded Bandit December 3, 2009

sucka yeeaa 

A phrase added at the end of a statement (esp. in the Bay Area) indicating a favorable situation with exclamation. Will often be used by some, to point out the mundane lives of other's while expressing the enthusiasm in their own.

DANTE: Bro, what you up to tonight? tryna kick it?

RASHAD: Nahh man, i got my baby momma over, shit's bad nigga. What you finna do anyway tho?

DANTE: Well I got couple other niggas comin thru to my place with some 40s and some fine ass hynas comin over too. SUCKA YEEAA.

RASHAD: ....fml

sucka yeeaa by kahuna12 June 14, 2011

yeaa 

A word that you use to respond to when you do not know how to respond to the other person ; The word you use when you just are clueless on what to say to the other person ; usually said through text but can similarly be said in real life

Boyfriend: Big boys need to sleep to grow
Girlfriend: Yeaa

Wife: Honey I think I'm in labor
Husband: Yeaa

Person 1: Can you tell me how to get there?
Person 2: Yeaa

yeaa by ChadDad123 May 25, 2020

YEAAAAAAH! 

The well recognized first word to the song "Won't Get Fooled Again" by The Who, as the OP for CSI: Miami. This has been used at the butt of jokes using the Horatio Caine meme. (In actuality, the word is spelled "Yeeaaahh (with an indefinite amount of h's)" on the image.

"H, a woman jumps in front of a man's car and gets run over. Who's fault is it?"

"Well... why is the man... driving in the kitchen?"

YEAAAAAAH!

YEAAAAAAH! by Mr. MacGregor February 10, 2009