(n): excessive chatting between members of the opposite sex using a Facebook Wall.
In some egregious case, conversation may be that resembling an instant message conversation.

Usually indicative of a fore-coming hook up, relationship, or date.
Dan: "Look at this hot girl who keeps posting on my Wall"
Ray: "What, are you two having Wall Sex now?"
Dan: "At this point it's just foreplay"
by Anon E. Mus February 29, 2008
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When a guy pins a girl against a wall and fucks her. She is often wearing a skirt or dress. Great way to have quick public sex. Often anal. See also: skirt sex
Aly got pinned against a wall by Tim and experienced wall sex.
by Amthony April 18, 2014
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when two people engage in passionate, angry sex while up against a wall.
In the film Sweeney Todd, Mrs. Lovett is often found pushed up against walls, and I suspect Sweeney is trying to have Angry Wall Sex with her.
by amazingnesstimesten March 7, 2010
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A series of wall postings on Facebook that has flooded your main page where there is obvious flirting or it is apparent that the two people are about to hook up. These postings are usually not wanted to be seen.

Related: Facebook Foreplay
"I was on Facebook and my main page was disgusting. I don't want to see Bob and Jill's Wall-To-Wall Sex!"
by TheHayGuysCat April 20, 2009
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the ultimate fantastic sexual experience that causes your body to feel electric
John slept for 12 hours after "wall socket sex" with Elaine.
by Tim Johnides February 28, 2006
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(noun) a wall that separates two bedrooms through which you can hear the other person's sex noises.
I had to move my bed away from my neighbor's sex wall because they've been going at for days.
by ladymayday December 30, 2010
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(verb) the act of having sex against marble Roman ruins or any other act of pleasured penetration against a wall, in public in Europe

Bonus- on the Stairs penetration with participation of a United States Marine
Last night was one for the books, i got sex walled in rome, italy while studying abroad.

by Ellen Anderson March 16, 2008
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