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1.
A jay (marijuana cigarette) which you roll for you and your bro. Usually smoked in tradition, celebration, mourning, happy, sad, rich, poor, healthy, sick, and for any other reason you may need to get high with your bro.
James: Dude, guess what?
Trevor: What?
James: Its 4:20
Trevor: Good thing I got this bro-jay. Lets toke.
by John Dank October 07, 2013
 
2.
Just a regular broseph, brother, or bromie in the neighborhood. A cool guy. A real brofessional.
Yo brojay, yo moms is callin ' you home.
by AlfonSoBadazz August 27, 2010