Top Definition
When one is eating out a woman, and as she cums, she releases a massive load of slimy sour white cream upon your tongue. Very thick, unlike normal vagina juice.
Paul was enjoying a nice feast when Corrine released a load of muff butter upon his tongue.
He then vomited.
by Tarnation September 26, 2006
female lubricant used for sexual intercourse
make sure you use plenty of muff butter when when you tap that dry cooze
by Fanny Mae March 01, 2008
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