look up any word, like porb:
 
2.
When you're on someone's Facebook page holding a conversation with with a totally different person than the owner of the Facebook page....and the owner of the page is nowhere in sight.
We've been commenting on "so & so's" Facebook wall for so long & he's not even here!!!!!!! We are Wallbanging!
by MeowMeows September 01, 2010
 
1.
wall banging is a sex act where you knock your partner against the wall violently.
dont ever do wall banging it just aint right
by Hawn Gnarley July 03, 2014
 
3.
When you post 4 or more random video links to someones page, and you attach random gay comments to the posts.
I was Wallbanging someone last night. I posted four Cher music videos to his wall, and attached inappropriate comments to each.
by TheFunnyMan9113 November 22, 2010