I mean, that wasn't the intent, it's not that they're fighting, it's referring to the original playful macho handshake as shared by Dutch and Dilon on Predator. Or as Rick and Morty put it 'You son of a Bitch, I'm in.'
"referring to the original playful macho handshake as shared by Dutch and Dilon on Predator"
OK, thanks, now that I get. After a couple of beers I'm slower on the uptake and a bit saltier than normal which, admittedly, is not a good combination.