What is Hahaha?
1.
To express on AIM when something was funny, because just 'haha' isn't that dramatic and can be used as just aknowledging when someone has said something.
Bobby31: ...they call it cheese and quackers!
Annette85: haha
Bobby31: oh come on it was funnier than that
Annette85: hahaha
See 
2.
A taunt to used by the enemy, usually after they set up us the bomb
You have no chance to survive make your time. Hahaha.
See 
3.
when someone laughs too much!
`hahaha'
`woah, calm down mate, it wan't that funny!'
Random Words:
1. 
(v.) to send bailiffs
We'll send in the heavies by tommorrow if the money is not here.
See Kung-Fu Jesus.. 
1. 
1. Created in 2002 by Miss Marie, it means: A glamourous lesbian, derived from the name of well-known R&B artist, Beyonce Knowles.
..