1 definition by Happy Mensiversary!

Term used to express a milestone passed in months, as opposed to years (as expressed by the word anniversary ). Steming from the Latin "mensis" meaning month and the stem -versary denoting a turning of an amount of time.
"Did you hear that Joe and Katy just had their 6 month anniversary?"

"Actually it was there 6th Mensiversary..."
by Happy Mensiversary! July 01, 2009
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