Similar to the Gum Wall in Seattle, its a wall that men use to unload their spunk after sex.
Dude, the Cum Wall in the bathroom at Rumrunners is getting a little thick.
by mustangsalie907 May 23, 2011
After shower sex, when the mall or female cums on the wall & the opposite sex licks it off.
Yeah, last night Anthony made me do a cum wall.
by DEEEEEEE October 11, 2006