J.Dub 

Jey-Duhb Adj.
1. a title of honor given to certain professors or classes of unusual or considerable excellence that are not easily or readily done; requiring much labor, or planning, to be undertaken successfully.
2. of, pertaining to, or characterized by sarcasm:
3.having or showing great intelligence, talent, quality, etc.: a brilliant professor.
4.giving or rendering aid or assistance; of service: Your comments were very J.Dubesk.
5. bringing to success; carrying through; the love a really beautiful wife

That class is good but it is no J.Dub.
He is a good professor he is up there with J.Dub & Salmeier.
Man I hope to pull a J.Dub when I get married.

J.Dub by LIFE PACIFIC COLLEGE April 9, 2008

J DUB

Nickname for someone with the initials J and W

J Dub was in my english class.
J Dub loves to play basketball after school with us.

J DUB by Jessie B. September 13, 2005

J DUB

In reference to the Jehovah's Witnesses while they are proselyting.

Honey, the J Dubs are at the door.

J DUB by Quincy Magoo July 24, 2005

j-dub 

another way of saying Jahovas Witness

damn the j-dubs are coming up the driveway again

j-dub by andy O Dady September 22, 2006

J Dub

Short for JWH-018, the main synthetic chemical in legal herbs such as K2, Spice, etc. Has similar, if not more intense, effects of THC. Banned in many states and countries. Known to cause brain tumors.

Derek: Hey I drove all the way to Florida and brought K2 with me.
Thomas: Does it contain J Dub?
Derek: Hell yeah!
Thomas: We're gonna get so f**ked up and get the tumor time!

J Dub by andrewn1919 December 21, 2010

J DUB

Name for any sort of STD. The person carrying the STD won't be aware of what you and your friends are talking about if you use this term, the term was first used in Coudersport, Pa in chemistry class. You can accompany the term with puking and gagging noises. Can be referring to the person carrying the virus, the actual virus or the whole situation.

did you hear about the J DUB? (insert puking noise)
There he/she is! The J DUB! (insert puking noise)
Man you slept with her? You got the J DUB (insert puking noise)

J DUB by Johnny wall March 28, 2011

J Dub

Slang and short for someone Jewish, as in a "Jay E Double U". Instead of spelling it out, it's shortened to "J Dub".

Brett acted like a J Dub after losing in Texas Hold 'Em.

J Dub by j-led January 21, 2006