A sex act, wherein one hand is inserted into both the anus, and vagina, and contact between the hands is made through the membranes separating the two tracts. Also known as a 'DP High-5'.
Aaron: Dude, you go out with that chick last night?
Sam: Bro... Yeah... Fucked up too.
Aaron: Oh yeah? You tag that shit?
Sam: Gave her the DP Handshake, bro.
Aaron: No way!
Sam: Way. It was really weird. I don't recommend it.
Sam: Bro... Yeah... Fucked up too.
Aaron: Oh yeah? You tag that shit?
Sam: Gave her the DP Handshake, bro.
Aaron: No way!
Sam: Way. It was really weird. I don't recommend it.
by Don's Johnson November 29, 2017