1 definition by Brian Irons

Top Definition
The remaining dried-on semen left on a fabric after ejaculation. When the "wet-patch" after sex/masturbation dries, it forms Spaq.
Eww, there's spaq on the quilt! Who was sleeping here last night!?

Clean up the wet spot! We don't want any spaq!
by Brian Irons August 07, 2008
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