A Roughy Susan is when you receive a handjob but the person who is giving it has a handful of salt.
Sam: "Last night, Mary gave me Roughy Susan"
Jerry: "You're into that?"
Sam: "Hell yeah I am."
by PapaRabbi301 December 9, 2016
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Used sometimes by extremely fucked up people, a roughie susan is a variaton of fapping except with the use of salt, which can result in burning of the skin.
Man, that felt worse thana roughie susan.
by Wooden Masthole March 4, 2016
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