Reggie Bush was drafted as a running back/halfback/tailback (whatever you prefer), but why don't we start referring to him more of what his characteristics make him out to be: the "Slotback". And also start using him more in the definition of that position.

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By definition (wiki definition) a slotback is:

 The slotback is similar to the wide receiver but also has many of the same traits as a running back, lines up closer to the offensive line and often farther back. They are often as many as five yards behind the line of scrimmage when the ball is snapped.

Sound like someone we know? Reggie is pretty much the definition of that position. Instead of having an extra tight end or fullback, just have him in there on most plays just as an outlet for Brees that would likely be lined up against a LB and still have Pierre or Ingram in there as the running back.

Also we could pay him as a "slotback" (which we could practically make up since really that position isn't too common). Is there anyone in the NFL who currently plays the slotback position "officially?

They are preferred over the wide receiver or tight end for receiving short passes or handoffs due to their positioning being closer to the quarterback.

Again, Reggie excels more at receiving than running the ball, but still can be an asset in that aspect as well.

With the Saints having 4-5 talented running backs possibly on the roster this year, we need to get that talent on the field as much as we can. With him at slotback will allow us to get a little more use out of him where he can perform his best. So what so you think we should do with Reggie Bush this year?