Top Definition
Acronym for "Jill, Laura, Amanda, Melissa, Angela, Chelsea, Kari, Katee"
A group of girls with an excessive and almost obsessive love for each other. Tied together with unbreakable bonds, and passions for color, glamour, success, creativity, art, and substance abuse.
"You've been JLAMACKed." "JLAMACK are my favorite obsession."
by JLAMACK July 10, 2008

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