The meaning of the Acronym IRL is...

IRL is

• International Racing League
• Indy Racing League
• Insane Racing League

More Meanings For IRL:

• Internal Representation Language
• Integrated Reader Lock
• It's Ridiculously Lame
• In Real Life
• It's Ridiculously Lame
• I'm Really Lieing
• Imaging Research Laboratory
• The Icky Racing League
• Irrevelent Retirement League
• Impotent Racers League
• Irish Investment Fund, Inc.
• Intermediate Range Lander
• Initiating Reference Letter
• Interface Requirement List
• Independent Reading Level

IRL is also in:

• Chat
• Educational
• Funnies
• General
• Hardware
• NASA
• NYSE Symbols
• SMS
• Universities