1 definition by Beccca;)

Top Definition
physiological phenomenon where the penis becomes enlarged and firm.
Jaime: "Ohhh Jake. F*ck me now. Look at my upper ventral region of the torso of a primate, in left and right sides, which contains the mammary gland that secretes milk"

Jake: *speechless he immediately gets a snafu*
by Beccca;) March 19, 2011
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