A special handshake that can only be preformed by two males in which each man grabs the others penis and they “shake”
Essentially a mutual handjob
“Me and Tim are gonna be friends forever. We shook on it with a six finger handshake.”
by DaDingus October 15, 2018
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When giving a handskade, you put your middle and index finger into the other persons hand and "finger" it

Meaning: it means that you wanna have sexual intercourse with the person you're doing it to, if they do it back, it means they are in on it
(fingering handshake)

I finger handshaked Jenny and she also wanted to fuck!
by XxBreadmakerxX April 3, 2018
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This is a sex position where there are 2 partners holding their hands up performing a high-five, whilst a 3rd contestant performs anal, vaginal, or oral sex (or both at once)
“What else can you call the Eiffel Tower sex position?”

“I call it the 20 Fingered Fellatio Handshake!”
by Glorbax June 14, 2022
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