Half-Walnut

A male scrotum, after being subjected to cold temperatures.

Originally used by the comedian Billy Connolly when describing a seaside holday to Aberdeen, Scotland and his attempt at swimming in the North Sea.
I'm not getting into that swimming pool, it's mid-winter, i'll end up with a half-walnut!
by barely standing February 07, 2006
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walnut ball

A combination of two words that define a swollen testicles
Dude let you're acting like you have a walnut ball today
by MusicBB5 December 24, 2014
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Smuggling Walnuts

Huge, hard nipples that can easily be seen through the clothing. Usually from below average temperatures.
Sue is pass the point of smuggling raisins or smuggling skittles, she went straight to smuggling walnuts.
by Cold Boobies January 28, 2011
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walnut salad

When you put your balls in a girls ass, and then she jacks you off and you jizz on her back, which is the dressing of the salad.
Nicholas' mom makes a great walnut salad.
by Bigblackweenerclassof87 November 24, 2013
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Walnut Finger

The brown stains on one's fingernails/fingertips after either

(i) - shelling walnuts;

(ii) - or massaging a guy's prostate via the rectal route by a finger pilot or walnut tickler.

Both give the same appearance. (i) is harder to clean off but (ii) smells worse.
I've been shelling walnuts all day and despite scrubbing it I just can't get rid of my walnut finger.

That finger pilot sure has a bad case of walnut finger. Don't they teach people at MacDonald's to wash their hands at work?
by 20goto10 September 23, 2010
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walnut high

a reference to the length of the scrotum sack in cold temperatures.
this river is fucking freezin! this shit is making my shit walnut high!
by jonnyonthespot December 28, 2010
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