1 definition by ModernDementia2992

Top Definition
A disturbing occurence when you wake up next to someone from the night before now sharing a bed with you and having no memory as to why they are there or what you did with or to them.
"Man, I bet when she woke up and rolled over she had a massive bout of pillow shock."
by ModernDementia2992 July 16, 2009

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