Top definition
When someone has a horrible amount of work where they feel like they have been sharted on during the weeks/ days leading up to Christmas
Professor: You have 3 models and 6 drawings due in 2 weeks, but the week and half will be used to design.

Student: F.... me it must be shartmas
by five percent battery left November 13, 2011
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The vengeful act of crapping on a lover's chest while they sleep.

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