Used to describe football fans going absolutely mental when their team has scored, much more than a normal celebration, mainly describing the 'limbs' (body parts) 'all over the shop' (aots), the action. Such as fans piling on to the pitch, storming the home fans, arms everywhere, people jumping all over the place.
Dave: Mate did you see the Watford fans when they scored in the last minute against Crystal Palace?
Steve: Yes lad it was limbs aots