Definition of mwahahaha in English:

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Pronunciation: /ˈmwɑːhɑːhɑːhɑː/
(also muahahaha, bahahaha)


Used to represent laughter, especially triumphal or cackling laughter such as that uttered by a villainous character in a cartoon or comic strip: World domination, at last, is at hand. Mwahahaha!
More example sentences
  • You'll have to wait and see how everything works out, mwahahaha.
  • May you all grow older with grace, and mwahahaha I'm younger than you!
  • For brunch, I'll prolly just pay ... or pretend to have paid if Phil asks ... mwahahaha!


1980s: imitative, on the pattern of ha ha.

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