Top definition
If you didn't know, or In case you didn't know
by Leo_Arthur December 19, 2006
Get the mug
Get a IYDK mug for your mama Larisa.
Stands for "Incase you didn't know".
To imply something useless/things that doesn't concern anybody.
Guy #1 - iydk I just came to midget porn.
Guy #2 - Thanks for letting me know,concerns me alot.(sarcasm)
by HazePoniPoni February 18, 2015
Get the mug
Get a iydk mug for your bunkmate Jerry.