To stand on a female's neck while having sex with her.  More easily done when giving it to her from behind.
by Jim-e February 25, 2008
 Get the silversurfmug.
Get the silversurfmug. Dude, look at this guy in the internet cafe. I think he is a least 70 years old.
Yes, a Silversurfer.
Yes, a Silversurfer.
by krokant February 7, 2009
 Get the Silversurfermug.
Get the Silversurfermug. The definition of silversurfer: A human being, that is hard stuck or struggles to get out of silver. Or an idiot you lane against that is complete garbage. (talking about the salty moba called League of Legends)
holy shiet you are a silver surfer, hey guys im a silversurfer pls boost me. I AM NOT A SILVERSURFER.
by ketsuya June 6, 2017
 Get the silversurfermug.
Get the silversurfermug. Lots of websites specialise in the over 50s with silversurfers like www.saga.co.uk, www.silversurfers.net, www.silverhairs.com
by Archiebald April 23, 2013
 Get the silversurfersmug.
Get the silversurfersmug.