A most crafty way to refer to marijuana. Particularly useful for dealers who solicit lay people in public, because it is obvious ("hemp"), yet anyone who overhears will assume you are speaking about Bob Hope.
Stoner: Sister, I heard you were interested in Bob Hemp

Nun: I certainly am.

Overhearing Priest: Bob Hope? Great choice! Anyway, Hail Mary!

Nun: That was close.

<dumps collection plate into messenger bag, receives ziplock of pot>
by TreeWeezel April 4, 2011
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