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2.
New slang insult, holding subtle references to masturbation ,originated in the midwestern United States during the early 21st century. The prase is most commonly used by young men aged 13-17.
"Jeez man, you're such a wad of jerk butter!!"
by "Ms. Margarine" May 26, 2004
 
1.
n; A favored lubricant I.E. KY Jelly
My personal favorite jerk butter would be crisco with sand.
by Kitrick November 16, 2009