Female genitals. In other words: an inverted penis.
Jill is angry at her sister for stealing her earrings and says: "Your such an anti-penis!"
by Gabbsternater April 23, 2009
The female sexual organ as an object of derision. Pronounced like 'Antipasto'.
She's terribly ashamed of the odor and bleeding from her antipenis.
by Oogly October 25, 2007