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The combination of the words Yeah and Haha. Usually comes out when you agree with something funny someone says.
Friend: President Bush should run for President again.
You: Yehaha, that's hillarious.
by KillerGerbil April 16, 2008
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A word that i just accidentally created that is honestly awesome.

a word that combines "yeah" and "haha" while typing on (Myspace, Facebook, Twitter, Emails, etc.) to make typing the letter/comment/message faster, such as: lol, haha, ya, brb, lmao, rofl, g2g, etc.
Girl : So how was your day?

Guy: Pretty good. chilled. you?

Girl: Thats Fun! haha. I did the same but i got ice cream with my parents after we went out to dinner :)

Guy: yehaha. and thats pretty sick.
by Barco Perro July 18, 2009
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