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2.
1. The act of being a jerk or a dick.

2. Off-putting behavior by a male or pitching lesbian.
"Dude. Don't be so peniscular".
by Shimdiggley April 12, 2010
 
1.
something that is erect and upright
That flag pole is very peniscular.
by Chance Bunnell December 23, 2007