An erection so massive & engorged that it can be seen from outer space.
NASA reports several sightings of Space Boners at the location of an incident involving a busload of Japanese schoolgirls and a swimming pool filled with Jell-O.
by neuroparadox January 28, 2010
Top Definition
a boner thats out of this world
or space in jeans that appears to be a boner
man that girl gave me a spaceboner
by boneville February 26, 2011

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