2 definitions by IMDL Guy
by IMDL Guy August 30, 2012
When someone has their instant messenger set to invisible but yet is actively messaging, they are said to be on the instant messenger down-low
I was looking for a friend online and noticed he wasn't signed on, but when I sent him a message, he responded. He's totally on the IMDL.
by IMDL Guy July 15, 2010