by DeeZNutZ July 29, 2003

n. synthetic drug. (see above)
also known as acid.
Can be taken orally, or through the eyes in the form of eye drops.
also known as acid.
Can be taken orally, or through the eyes in the form of eye drops.
(no example for this)
by The Light of Reason February 20, 2005

LAKE SHORE DRIVE for all the chicagoians
by TRACYZ July 11, 2004

Stands for long slow distance. What runners do to build endurance or train for a long distance event, like a marathon.
Runner #1: Man, track season finally ended, and all my tough interval workouts are over.
Runner #2: So you're done with speed?
Runner #1: Yup. And I'm ready for LSD.
Runner #2: So you're done with speed?
Runner #1: Yup. And I'm ready for LSD.
by Bombadier General June 9, 2008

by manw/uselessdefinitions June 4, 2018

Limited Slip Differential - a differential that is designed to work adequately when one of the wheels is slipping on the road.
by FMRommel March 14, 2019

Lsd means that you have Post Traumatic Stress Disorder.
I have LSD.
by Philosophical-Cat October 31, 2017
