During the Whoas, in the actual song, it is just clapping, no chords.  Any part with a 
() around the key means that it isn't in the actual song, but the notes being sung.  
Also, please note, this is not the same key as Tim McGraw sings it.  This is the Easier Version.

Intro: D

DSaid (xx0232@1)her name was a hand me down name
DFrom (xx0232@1)the side of a family that long ago came
     GOver (320003@1)here on a boat from somewhere in Spain
G (320003@1)                                      EmSounded (022000@1)to me just a little bit strange, I guess.
              G (320003@1)                       DBut (xx0232@1)I have to admit, it felt good on my lips.

DShe (xx0232@1)tipped the DJ to play her favorite song
DA (xx0232@1)Spanish little number that was a rockin' on strong
    GShe (320003@1)grabbed me by the sleeve and said lets go and get it on
       G (320003@1)                                          EmBy (022000@1)the second chorus I was singing right along with it
                     G (320003@1)                          DI (xx0232@1)don't know what it meant but it felt good on my lips.

(D)            (G)
Oh oh oh I.. I wanna go crazy
(D)             GYou (320003@1)can go crazy too
(D)            (Em)
Oh oh oh I.. I wanna go crazy
  (D)                 (G)
I wanna go crazy with you

G (320003@1)              D (xx0232@1)      G (320003@1)         AmEverybody (x02210@1)sayin' whoa how sweet it is
D (xx0232@1)  Em (022000@1)    A (x02220@1)             DWhoa (xx0232@1)yeah it felt good on my lips

DShe (xx0232@1)ordered us a drink it was a purple kind of pink
DShe (xx0232@1)said it's got a shot of a little bit of everything
      GMello (320003@1)yellow umbrella for a fella like me
       G (320003@1)                                EmIt (022000@1)was just a bit mello for me to be seen with
             G (320003@1)                         DBut (xx0232@1)I took a sip Yeah it felt good on my lips

(D)            (G)
Oh oh oh I.. I wanna go crazy
(D)             GYou (320003@1)can go crazy too
(D)            (Em)
Oh oh oh I.. I wanna go crazy
  (D)                 (G)
I wanna go crazy with you

G (320003@1)              D (xx0232@1)      G (320003@1)         AmEverybody (x02210@1)sayin' whoa how sweet it is
D (xx0232@1)  Em (022000@1)    A (x02220@1)             DWhoa (xx0232@1)yeah it felt good on my lips

DWhen (xx0232@1)the lights came on and they hollered last call
DI (xx0232@1)was busy getting lost in her cherry lip gloss
     GIn (320003@1)a little corner booth I don't like no talk
    G (320003@1)                                      EmShe (022000@1)leaned in close and gave me one long and wet
                    G (320003@1)                         DA (xx0232@1)goodnight goodbye kiss And It felt good on my lips

D (xx0232@1)      G (320003@1)          Am (x02210@1)    D (xx0232@1)     EmWhoa (022000@1)how sweet it is          Whoa
D (xx0232@1)  Em (022000@1)    A (x02220@1)             DWhoa (xx0232@1)yeah it felt good on my lips