Top Definition
The act of wrapping one's scrotum around another man's cock, thereby "insulating" the "pipe". This is made easier by first taking a prolonged hot shower, so as to lower "the boys" and loosen the skin.

So-called because of the cold, lonely winter nights in Sudbury, Ontario.
"What did you do after the bar yesterday?"
"We went back to my place, and I gave Floyd the Sudbury plumber."
by Stergan January 08, 2009
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