When you can sense something wrong has occurred or is about to occur. You sense danger is approaching and you have a physical reaction to the impending danger.
"The hairs on the back of my head are spider-manning because I know that guy is going to cause trouble."
"My brain is spider-manning. Something bad is about to happen"
When you spend far too much time detailing a technical drawing. When a drawing can be produced with significant detail to carry out the manufacture but instead 3 days is spent highly detailing the drawing. By J.A.K. Baljaffray, Glasgow
You have been spiderwanking meaning you have spent far to much time and effort on a job over complicating it eg when drawing a section of steelwork you spend time embossing the steel with letters and numbers in a model
verb. when a man or a woman is so drunk that they need to use the wall to get across the room and keep from falling over. It only becomes 'spider-manning' when the person places both hands on the wall and shuffles their way across, like when Spider-Man crawls along walls.
Person 1: Lot of drunk people at this party, right?
Person 2: Seriously, that girl is so drunk she's 'spider-manning' it to get herself across the room.