proper noun
General Slang
LSD
el-es-DEE · proper noun · informal
Chicago shorthand for Lake Shore Drive.
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Definitions
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Lake Shore Drive, the scenic lakefront expressway along Lake Michigan.
“Traffic on LSD is brutal this morning.”
by community
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LSD In A Sentence
Traffic on LSD is brutal this morning.
Origin & Usage
Initialism for Lake Shore Drive.
Variants
Lake Shore Drive
People Also Ask
What does LSD mean in Chicago?
It is shorthand for Lake Shore Drive, the scenic lakefront expressway running along Lake Michigan.
Why do Chicagoans call it LSD?
It is simply an initialism for Lake Shore Drive, used in everyday traffic and driving talk.
Is Chicago's LSD a drug reference?
No, in Chicago context it refers to Lake Shore Drive, not the drug; the shared initials are coincidental.
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