look up any word, like bukkake:
Moissi is a conjunction of the French term 'moi aussi' which means 'me too' or 'me as well'. 'Moi' means me, and 'aussi' means too. This word can be used in any situation that 'me too' is used.
Julian: I love cat yodeling, it's my favorite sport.
Max: Moissi. It's the best!
by bobothepanda June 10, 2009