Z bars

Actually.. a "Z-bar" is a term used for a 2mg bar of alprazolam (commonly produced by Upjohn Pharmaceuticals under the trade name "xanax") It is called a "Z-Bar" because Xanax is pronounced with the first syllable sounding like that of a z

Man.. I got 120 Z bars off my dealer yesterday and already ate 7!

or man.. one Z bar will have my ass knocked out.

by Urban Dictionary May 1, 2006

Z-Bar

Organic Clif Bar for active kids. Best Flavor is Peanut Butter.

Robert Upland and I just went mountain biking and were pooped! Luckily my mom just went to Costco and picked me up a box of Z-Bars. Woah! Chocolate Chip, my favorite!

by My fingers smell like butt June 23, 2009

z bar

Z-bars are the street name for XANAX tablets.

Lemme get some Z bars? I need to slow things down some.

by Gamberro Salvador January 28, 2007