2 definitions by benderbot

Top Definition
The conspicuous absence and lack of communication from all your friends who celebrate the Christmas holiday (both secular and religious) due to family commitments and/or over-consumption of alcohol on Christmas Eve. The Abyss can normally be observed on December 25th.
A: Man, where is everyone? I can't get a hold of anyone today.
B: They must have fallen into the Christmas Abyss.
by benderbot December 25, 2006
Noun: Figurative. The impression left on the skin of a person's face or elsewhere on the body, as a result of being slapped by a (usually) circumsized penis. Also see Shroom Whack.
That person is so annoying he deserves to be shroom marked.
by benderbot February 25, 2011

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