Top Definition
To completely wrap one's self in blankets while sleeping such that no external forces can access the body.
Mummification is an important aspect of Keith's comfort when he sleeps.
by Alicia0214 February 04, 2010
The alteration that occurs to someone's Facebook profile once they add their Mother as a friend. Typically, sexy pictures and posts are all removed and replaced with soulless references to exercise, loving their family, and pictures of their food.
"Have you been to Liz's page recently?"
"No, any good stuff?"
"Nah. Pure Mummification."
by Cycklops November 23, 2015
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