Most boring opening?

an giucco piano without a c3

Slav defense: Exchange variation. So drawish that nearly every top level match played with it was drawn, assuming no major blunder.

Slav defense isn't necessarily drawish, anyone who knows it with white can play for an edge.

Sodium attack. 

Lol, I had one of those last night, too much MickeyD's...

Yeah, and MickeyD has a (secret) deal with an (evil) pharma-company that produces the cure from a Sodium attack: it is called

OMEPRAZOL.

(Sounds also evil).

all queens paw opening(queeins gambit,kings indian,queens indian,nimzo indian) exept the budapest gambit ( no one plays the mainline properly here so I don't even count it here)

I have to disagree - some of those openings can be boring, but many of them are just strategic maneuvering games. Just because an opening isn't pure tactics doesn't make it boring. Boring really means openings that lead straight into equality, like so:

I play the above line. It has an 80% draw percentage in master games.