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1.
Obscure term used to refer to semen or cum. Possibly originated from the sail docks of West Holland in the 1740's, where sailors would relieve themselves against shipments of wood.
Last night I totally ass raped Emma and covered her face in man sap!!
by nandayo September 21, 2006
 
2.
Another name for Utah Jazz rookie, Paul Millsap. Given the name because of his sticky hands, and his manliness.

Also another name for cum.
Mansap takes Kobe to the hole for two!

Paul blew his Mansap all over Kobe Bryants face.
by TroutBum March 27, 2007