WhenWalibri tribesmen of central Australia meet each other, they shake their penises instead of hands (I don't know how you greet their women. . .but I'd like to find out!).
I know what you're thinking--this is just the kind of blowhard confabulation I'm always trying to sell under the guise of some sort of arcane gus scholarship or claim of special knowledge. Click on the title of this post to Googletma list of references. Obviously, people on the internet at least, have one interest in the Walibri.
I'm pretty sure I saw guys shaking like this the time my friends Fuzzy and Richie took me to The Anvil in the meat-packing district of lower Manhattan..
 Characters in My Worst Job No. 6, my long delayed story of working at Carl Fischer, Inc. in NYC. ---o0o---