The meaning of the Acronym LSD is...

LSD is

• Loytec System Diagnostics
• Lighting and Sound Design

More Meanings For LSD:

• Least Significant Digit
• Low Solidity Diffuser
• Large-Scale Distribution
• Loser Sabotages Deal
• Little Stupid Desk
• Little Stupid Detail
• Laugh Stupidly For Days
• Love Stupid Drivers
• Little Short Dude
• Laced Soft Drink
• Lompoc Strong Draft
• Little Son Of Dave
• Lost, Stupid, and Dumb
• Love Something Different
• Lemmys Stone Deaf

LSD is also in:

• Adults
• Chemistry
• Food
• Funnies
• General
• Meteorology