Chat Abbreviation for Sorry late reply.
SLR, I was busy.
by Rendezvouz AKSL February 20, 2010
Get the SLR mug.
A type of camera, usually expensive, meaning Single Lens Reflex. It usually has a pentaprism for a mirror setup, and reflects exactly what you will see in the picture to the eyepiece, unlike cheaper cameras that do not do this. cheaper cameras usally havea little hole that goes through the camera across from the eyepiece that you look though.
I have an SLR camera.
by DigitalN. January 30, 2005
Get the SLR mug.
Sorry Late Reply ( Sorry for late replying)

It's when someone texted or IMed u, and you weren't online.
<offline message: hey! >

I was away, SLR.
So what's up?
by ehiah21 December 22, 2009
Get the SLR mug.
Top speed 207 mph. 0-60 in under 3.8 seconds. The SLR McLaren is a milestone automotive achievement, as much for its staggering power and performance as its Formula 1 inspired engineering and design.

"To be sure, the Greatest Car in the World has to be fast, but it should also be able to function as a car. The promise of the SLR is that it is the complete package."- Esquire Magazine

MSRP: $452,750*
Engine: AMG-built supercharged 5,439-cc 36-valve 90°V-8.
Net Power: 617 hp @ 6500 rpm
Net Torque: 575 lb-ft @ 3,250 - 5,000 rpm
The 2005 Mercedes-Benz SLR McLaren is on HOT car.
by ilum4l June 2, 2005
Get the SLR mug.
person 1 (09:45:17): hey, what's up?
person 2 (10:23:34): SLR! Not much, you?
by ubiquitousacknowledgement December 7, 2009
Get the SLR mug.
Abbreviation for "Sorry, late reply".

Also can mean "single lens reflex" when talking about cameras and photography.
"SLR, I got busy."


"Dude! Check out my new SLR camera! It costs a fortune!"
by DragonAgeBabe March 22, 2021
Get the SLR mug.
FN SLR - Fabrique Nationale Self Loading Rifle. Standard issue to the british army before the introduction of the SA80.
Also known as the FN FAL in other countries.
MY SLR is playing up again!
by Panhead March 17, 2004
Get the SLR mug.