Top definition
The day before New Year's Eve. Since Adam was created before Eve, and the need to be equitable in the new year's season, New Year's Adam creates further anticipation of New Years Day.

When is your family coming to our place?
On New Year's Adam and leaving January 5th.

New Year's Adam is the last chance to prepare for the New Year's Eve party.
by IshF December 29, 2007
Get the mug
Get a New Year's Adam mug for your dad Paul.
2
As New Year's Eve is the one night of the year where hook-ups hit a record high, this is the correct term to use for a "beau" that a lady may score on said night.
With-it Girl: Hey guuuuuuurl, watch you end up doin' on New Year's Eve?

Posh Girl: Not what, but who! Went and found myself a nice little New Year's Adam at the party, didn't I?

With-it Girl: Bomb diggity, girlfriend!

Posh Girl: No doubt, peace it!
by Axellent December 31, 2012
Get the mug
Get a New Year's Adam mug for your cat Manley.