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the motion of moving ones' hand back and forth whilst keeping the arm straight. This is usually done when a person has come out with a great line usually being an innuendo. the term "Rezzo" is short for "resonate" and comes from the rhyme "arm straight... and resonate!"
Male 1: "dude, I just got laid!"
Male 2: "Good lad" (actions a Rezzo)
Male 1: (also actions a Rezzo)

Male 1: "mate, look at the size of that head on your beer!"
Male 2: "best head ive had in ages!
Male 1 & 2: (action a Rezzo)
by AbsoluteManter September 01, 2011
a reservation, usu at a restaurant
I just made a rezzo for 8 at Clyde's. See if your peeps want to come.
by snoopfernee July 09, 2010
A sticky, tar-like build up of ganj in a piece that accumulates with repeated toking.

see also: resin
I'm fucking dry dude, looks like rezzo hits for me.
by Kevin O'Resin August 30, 2008