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a man wacking off to the point of ejaculation with the sperm going against the ceiling, wall, or the floor.
My brother pass time is making wall babies.
by Toomer May 08, 2008
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nutting on the wall instead of a girl , masterbation in a truckstop ,jail house sex in the shower
are you sure your not a wallbaby sample your mom got in collage
by the ragin redneck May 30, 2009
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