A sex move involving a male, a female, and a pencil. This move is performed by shoving the pencil, eraser first, into the male's urethra. the male then proceeds to ejaculate into the female's vagina, effectively shooting the pencil through the females internal organs and through her head.
"Bro, if she's being a bitch, don't break up with her, just perform The Pencil Cannon next time you guys have sex."
by ekgi November 10, 2018
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