Top Definition
When you wake up in the morning and realise what you did the night before was a mistake of nightmare proportions.

It seemed right at night but shite in the morning light.
1.
I either dreamed that my bedroom has an en-suite or I had a bad case of the Night Errors last night.

2.
Bob - "I opened my eyes this morning and that hot Milf I drunkenly pulled last night turned out to be a Gilf with a prosthetic leg and a picture of your Grandad on her bedside table"
Jim - "You need to see a doctor about those Night Errors!"
by Frank Incensed August 25, 2011
1 more definition
-NighTerror is a complete viciaded in games of blizzard like Warcraft 3, or World of Warcraft
omg, he is viciaded like -NighTerror-
by [TAC] March 26, 2010

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