when you take the ball sacks skin and squeeze it together in your hand to make it wrinkly like a "walnut"
by austin w. August 13, 2007
When a man sticks his finger up his ass-hole in order to tickle his prostate, causing an instant, extreme orgasm. The prostate (looking like a walnut) is commonly used as a sex toy for vietnamese people.
by reivergirlala October 02, 2008
by Pseudonyms 6969 December 11, 2015
by cgp24 December 13, 2010
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Did you see Walnuts' speech last night? You know, the one about inflation. Did he look dead to you or what?
by Iacopus August 08, 2008