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Females, usually under the age of 30, whose legs are slender in nature. They can sometimes be confused with two Twizzlers wearing a pair of jeans.
Flamingos are the JL Slims of the bird kingdom.

"Ten JL Slims will fit in my Toyota Prius" -Jeremy Clarkson, Top Gear (BBC)
by Joffrey Lannister June 18, 2013
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2
A female, usually around the age of 25, with the opposite body type of Kim Kardashian.
You can fit ten JL Slims into Kim Kardashian's boot.
by Rabbitnuts June 18, 2013
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3
An extremely slender female in the age range of 21-25 that sir-mix-a-lot would not write a song about.
Is that a utility pole or a jl slims?
by shaboom June 19, 2013
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