Shifting and Drifting
The practice of moving between relationships at an ungodly pace.
All of those first years are "Shifting and Drifting"
Shift and drift
On a night out shifting (making out with) another person and then moving along to find another potential tounge-dancing dancer
Man 1: Oi Spegsy, did you stick with that blonde bird last night? She was quality kipper!
Man 2: Nah mate, left her pretty quickly, out on the shift and drift, you know.
Man 2: Nah mate, left her pretty quickly, out on the shift and drift, you know.