What is Muahahahahaha?
1.
a laugh used when thinking of evil things
2.
An evil laughter, sometimes followed by coughing.
Soon, the world will be under MY control! MUAHAHAHAHAHA- *cough, hack*
See 
3.
A laugh used by a person who IS evil!
his laugh pierced the tortured womans ears as he slit her throat "MUAHAHAHAHAHA"
4.
a laugh used when u have naughty intentions on your mind
Do you like poontang pie? muahahahahaha
5.
Something that is or smells like Grandma's lamp.
That lobster is muahahaha so I won't eat it in the library.
Random Words:
1. 
A guy who thinks he's the shit and is cocky on the outside, but in reality he sucks at life and has no confidence.
"Hey Jenny.. 
1. 
to have sex. from the movie sex drive
dude last night i visited grandma. twice
older brother:when are you be visiting grandma, cuz if ..