look up any word, like sex:
 
1.
A way of saying "JW". Meaning "Just wondering."
Person 1: Hey have you seen Alex?
Person 2: Yeah, Why?
Person 1: Jay Dub.
by Otto Gillen September 12, 2008
 
2.
Jehovah's Witnesses, often used pejoratively, especially by Mormon missionaries.
A couple of Jay Dubs knocked on my door over the weekend, but I slammed the door in their faces because my beer was getting warm and going flat.
by Liobhan October 27, 2007
 
3.
Another word for nigger.
Stop eating fried chicken you jaydub.
by falh October 30, 2007