The Dean Martin recording is a halfstep lower but this key is more guitar-friendly.
The faux-italian lyrics may slightly vary between different versions of the song.


Bob Merill - Mambo Italiano

Dm (xx0231@1)               GmA (355333@1)boy went back to Napoli
A (x02220@1)                   Dmbecause (xx0231@1)he missed the scenery
Gm (355333@1)                       BbThe (x1333x@1)native dances and the charming songs
   Bb (x1333x@1)            A7But (x02020@1)wait a minute something's wrong, 'cause now it's
 
Dm (xx0231@1)       GmHey (355333@1)mambo, mambo Italiano
    Dm (xx0231@1)      Gmhey (355333@1)hey mambo, mambo Italiano
Dm (xx0231@1)         GmGo (355333@1)go go you mixed up Siciliano
DmAll (xx0231@1)you Calabrese do the mambo like-a crazy with the

Hey mambo don't wanna tarantella
Hey mambo no more mozzarella
Hey mambo mambo Italiano
try an enchilada with a fish baccala
 
C7 (x32310@1)                     GmHey (355333@1)goomba I love how you dance the rumba
              DmBut (xx0231@1)take some advice paisano learn-a how to mambo
Bb (x1333x@1)                            A7If (x02020@1)you're gonna be a square you ain't-a gonna go anywhere

Hey mambo mambo Italiano
hey hey mambo mambo Italiano
Go go Joe shake it like a Giovanno  
E lo che se dice you get happy in the pizza when you
Bb (x1333x@1)  A7 (x02020@1) DmMambo (xx0231@1)Italiano

Hey chadrool you don't-a have to go to the school
Just make it with a big bambino it's like vino
Kid you good-a looking but you don't-a know what's cooking 'til you

Hey mambo mambo Italiano
Hey hey mambo mambo Italiano
Ho ho ho you mixed up Siciliano
E lo che se dice you get happy in the pizza when you
Mambo Italiano