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Top definition
DMM DAY
DMM Day
is a day in which
DMM
gets his car parts changed and gets an upgrade this happens on December 26 after Christmas think of it as a late Christmas for
Dmm
Hey
DMM
lets go change your
car parts
you know since its
DMM day
by
December 18, 2020
Get a
DMM DAY
mug for your boyfriend Bob.