Reserection (or res-erection), when you save an erection that had softened from unpleasant thoughts by looking at or thinking about somethingstimulating again.
My mate: Oi, did you fuck 'er last night?
Me: Fuck yeah mate, but I had to do a bit of a reserection. 'Accidentally glanced over at 'er dresser & saw a photo of her mum in a bloody wetsuit.
My mate: How'd you save it, mate?
Me: Looking next to 'er mum & looking at 'er in the wetsuit.
My mate: Fuckin' nice save, mate.