LSD
In Geography, LSD is an abbreviation of Long Shore Drift. In other words, it is the movement of sediments and material along a shoreline by means of wave action. In this case the waves meet the shoreline at an angle, where the swash is greater than the backwash, thus pushing sediments along the beach in a zig-zag motion.
"The wooden groynes are build on the beach to slow down the LSD, and allow the sediments to be deposited on the beach."
by h4Nz April 20, 2006

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LSD
A phrase used by students attending Northern Michigan University in regards to the shrinkage of the male organ after taking a dunk in icy cold Lake Superior; Lake Superior Dick
"I went cliff jumping outside of Marquette and got LSD."
by Mike Arendt January 23, 2004

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LSD
Long, slow distance; a training method for long distance running that involves running distances longer, and at a slower pace, than those of races. This is used to build up stamina.
Michael ran 10 miles of LSD for pracrice so he would not feel exhausted in the upcoming 6 mile race.
by Julian Lennon September 09, 2005

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LSD
Lead Singer Disease

People who think just because their the vocals of the band...they ARE the band..and dont need the rest to support them. They feel they should have less work then anyone in the band due to this and could do a solo, when in fact, they are the worst member and the backups make them sound good
Justin Timberlake had LSD
by Leed Sing-ers Di-zee-ss August 18, 2003

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lsd
Long Slow Distance
A training method for runners.
He did lots of LSD before the big marathon.
by bittersweet January 21, 2005

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LSD
LSD is a drug that makes you crazy
Grandma have you seen my pills?(LSD pills)who cares about your pills have you seen the dragon in the kitchen?!?!?!?
by Stud Muffin1195 February 24, 2009

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LSD
A 3 step Motivational program

Learn Start Do
First u learn somthing
then start it out the first time
and now ur doin it forever! :-D
by Jermy somebody from Vice City August 23, 2003

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