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1.
December 23rd. In Newfoundland tradition, it's the day you get drunk and celebrate Christmas with all of your friends, before having to spend all of your time with your family.
A sacred practice, you don't miss Tib's eve lightly.
B'ys are gettin' smashed fer Tib's eve wah?
by truckly November 25, 2011
 
2.
The eve before Christmas Eve, December 23rd.
The stores were madness on Tibs Eve, everyone doing their last minute christmas shopping.
by tibseve596 December 26, 2011