Top Definition
A male-to-female transgender surgical procedure in which an artificial vagina is created.

Often the procedure is a part of a longer term set of procedures where the male genitalia may be fully or partly removed or modified.
"Hey, I heard that Ralphetta is finally having his.. um.. her addacuntomy."
by Cuntinuity September 22, 2009
5 Words related to addacuntomy

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