Invented by Mike Webb and Diane Murphy, a plune is the triangle of space your forearm, bicep and neck make when you rest your hand against your ear. An arm void, dare I say?
I can see that lady through your plune!
by Mike Webb April 02, 2006
1 more definition
n.: A wig or toupee comprised entirely of pubic shavings
Dude, that random ginger's plune must have come from carrot top.
by Balding Baxter May 23, 2013