A slang term referring to semen. "Man-spackle" is compared to a white spreadable wall plastering compound, hence, "man-spackle" tends to be a word used by common blue-collar workers in the construction trades.
Example 1: I pulled my penis from her vagina, and ejaculated a load of man-spackle onto her breasts.

Example 2: My girlfriend came home with dried man-spackle covering her tramp stamp. What a white-trash whore she turned out to be!
by Rook's buddy May 13, 2010
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liquid derived from the male genitalia. Also known as semen.
"I'd love to spray my man-spackle all over that young woman's forehead."
by troy October 22, 2004
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Semen that is very thick and lumpy.
"I just filled her up with man spackle!"
by pedro romero June 8, 2005
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