A penis that is thick at the base, and tapers to a point, much like the branches of a Christmas tree.
by MissGrumplebottom December 11, 2010
Get the Christmas Cockmug. A condition (or an incident) where you get unintentionally very, very drunk and more or less accidentally end up having sex with one of your colleagues. At every fucking company christmas party.
Oh look at so-and-so, she's leaving with yet another man from the engineering department. Didn't she go home with X last year? And, she's very, very drunk. What a pre-christmas cock-up. Again.
by silvamysticum December 2, 2010
Get the Pre-christmas cock-upmug. by trojanlover December 13, 2006
Get the christmas tree cockmug. by trojanlover February 13, 2007
Get the christmas tree cockmug.