Top Definition
A malaprop combining the words addendum and amendment.
WTF, Mike just said "addendment" - is that even a word? Moar beer plz.
by ehhhh87132
June 05, 2009
1 more definition
2
A combination addendum and amendment added to a bill during the Bush Administration
We would like the DOMA to become an addendment to the constitution
by DR=rewlng505
July 07, 2012
