Any visual media with a picture of a random burrito on the image. Anyone who thinks narb means boner is wrong.
(looking at pornographic images)
You: Hey Derp, there's a NARB on this pic!
Derp: No shit Sherlock, there's gonna be dicks on those pics.
(Looks at pic)
Derp: Why is there a no apparent reason burrito on this pic?
You: Exactly....
narb:noun, 1)referring to narberth, a .57 square mile borough in the center of lower merion township, or 2)referring to a resident of narberth, often known for their blue collar way of life, high alcoholism rates, and regular fights at the 3bars in town, the greeks, the g.a.p. (great american pub) and mcsheas