A variation on a blowback where someone goes down on their hunkers and hyperventilates, and then stands up quickly, inhaling as someone else blows marijuana smoke into their mouth.
"Man, I did a wallclimber last night and passed out cold, collapsed onto a chair and smashed it to pieces."
When someone leaves a note on your Facebook wall for someone else, ignoring you.
Dude1: God, Susie's such a bitch. She came to my Facebook wall and left a note for my ex-girlfriend, ignoring me completely.
Dude2: No way! Total wallclusion! Skank.