*anything in parentheses are the background vocals*
my sister and i tabbed this out completely by ear.

             D-C-
Bob that head    
A
Awwh, awwh, ah
 D              C
(Bob that head) Ha ha
C   A C        A    
Yeah-yeah, yeah, yeah
 D
Tricked out truck kit
C
Runnin' boards black lit
D
KC roll bar 
C
Had to mow an extra yard
  A              [STOP]
(Just so he could)
D
Install satellite
C
Rascal Flattin' all night
A
King cab, bass tubes

Stop light, boom-boom
D          C
Five days, all week
D           A(one strum and stop)
Two jobs so he can
D            C-
Bob that head

Every Friday night
        D
Got the windows rolled down 

The seat reclined
C
Givin' everybody that rock on sign (echo 'sign'and hold to 'Hey')
A
Yeah, turn it up to ten
C
Hey, y'all join in
D
Bob that head
C        D
Come on, bob that head
C        D
Bob that head

Whoo!
D
Hot girl wants a ride
C
Climbs up inside
D
Feelin' that rhythm
C
Right along with him
 A
(Now he's cruisin')
D
Don't wanna lose it
C
Loop around Sonic
A
And right back on it
D         C
Low gear, drive by
D
Up and down
A
That's right!
D            C-
Bob that head

Every Friday night
        D
Got the windows rolled down

The seat reclined
C
Givin' everybody that rock on sign (echo on 'sign' and hold to 'up')
A
Yeah, turn it up to ten
C
Hey, y'all join in 
D
Bob that head
C        D
Come on, bob that head (Yeah, yeah, yeah)
C        D                     C/A/D (x5) C
Bob that head (Bob that head)
A
Come on, (Come on)
C
Feels good, (Feels good)
B
Let it go, (Let it go)

Shake it loose (Shake it loose)
C             [STOP] (while ur singin' 'you', pound on ur guitar w/ ur fist)
Don't it make you
A     D            C-
Wanna bob that head (Bob that head)

Every Friday night (Every Friday night)
        D
Got the windows rolled down

The seat reclined
C
Givin' everybody that rock on sign (Rock on sign)

(Yeah)[hold 'yeah' til 'Come on']
A
Yeah, turn it up to ten
C
Hey, y'all join in
D
Come on, let the party begin
C
Let's do it again
[STOP and MUTE]
               Bob that head
D            C-
Bob that head

Every Friday night
A
Bob that head, (Bob that head)

(Yeah, yeah, yeah)
D             C
Bob that head-yeah (hold 'yeah' til second 'Bob that head')
 D
(Bob that head)
           C         D             A
(Bob that, bob that, Bob that head Bob that, bob that Bob that, bob that)

*ENDING*         A (one measure)  D (2 strums) C (2 strums) A (2 strums and
                                                               vibrate)

listen to the song to get a feel on how to play it. it's really easy! :)

RASCAL FLATTS   STILL FEELS GOOD   BOB THAT HEAD