When you are driving on the highway and shift across all the lanes in either direction.

Similar to a jersey slide
Im in the right lane and i want to pass everyone, I think I'll do a california lane change to the left and then a jersey slide to exit
by Dave K July 24, 2004
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The Alabama Lane Change is the act of purposely shoving your penis into a girls butt unexpectedly while doing it doggy style.
me: "dude you should try the alabama lane change with kelsey"

jon: "maybe i should dude but her pussy is tight enough already since she's a gymnast"
by rough dry butt sex... nstow February 28, 2011
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When you are screwing a chick from behind, take it out and then stuff it in their ass and claim it was an accident.
I pulled a Kentucky Lane Change on that bitch i was fuckin last night.
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Rarely executed successfully. Involves crossing the maximum number of lanes immediately after merging onto a swift moving freeway with the goal of simply proving ones cunning behind the wheel. A perfect MLC would be executed by angling one's vehicle perpindicular to the center divider or perhaps even angling the nose of the vehicle slightly towards the flow of traffic.

Despite the common misconception that the traffic manuever originated in the Magnolia State (Mississippi), it is derived from the techniques used to cross a swift moving river and is actually most commonly seen in more cosmopolitan and populated parts of our nation such as Los Angeles, Boston, and other urban centers.
"Did you see that guy just do a Mississippi Lane Change to get to the D-lane?!"

"I got side swiped by some jackoff trying to pull an MLC on the 405 this morning on my way to work."
by Steve Devious July 3, 2006
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Switching rapidly across three lanes of traffic without checking your blind-spot or signalling.

Normally practised in Alberta by mulleted folk in pick-up trucks listening to Billy-Ray Cyrus.
Person 1 "Did you see that guy cut me up!!
Person 2 "He just pulled the old Alberta Lane Change on you"
by kop1975 May 4, 2007
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when another driver changes lanes at high speed and barely fits between the car in front and behind. if there's more than 18 inches of total space it doesn't qualify. These people are the cause of lots or wrecks and recipents of lots of profanity and obscene gestures.
the fucking idiot pulled a nascar lane change and caused a 10 car pile up
by Paul S.W. November 17, 2006
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when doing a girl doggystyle- you abruptly switch from the vagina to the anus
i was so drunk a gave rory a louisiana lane change.
by drunkenstein April 17, 2004
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