This isn't exactly what they play in the song. Its just a version I made up.  
In the first verse, any random finger picking pattern should work

Standard Tuning
Am(Maj7) xx2110
Cadd9      x20010
E7 (020130@1)           020100
Asus2      x02200
Am (x02210@1)         x02210
Dm (xx0231@1)         000321
F (133211@1)             133211
F*             668886
G (320003@1)            320022
C (x32010@1)            x32010
C*            x35550

Let me tell you...
AmI (x02210@1)see you girls checkin' out my trunks
Cadd9
I see you girls checkin' out the front of my trunks
FI (133211@1)see you girls lookin' at my junk
          E7Then (020130@1)checkin' out my rump
E7Then (020130@1)back to my sugalumps
AmWhen (x02210@1)I shake it, I shake it all up
Cadd9
You'd probably think that my pants had the mumps
FIt's (133211@1)just my sugalump bump-ba-bump
            E7 (020130@1)                               
They look so good, that's why I keep them in the front
Am (x02210@1)    G (320003@1)        C (x32010@1)          F (133211@1)         E7All (020130@1)the ladies checkin' out my sugalumps
F (133211@1)                E7They (020130@1)drive the ladies crazy
AmAll (x02210@1)these bitches checkin' out my britches
Cadd9
Put 'em in a trance when I wear track pants
FMy (133211@1)dungarees make them hungry
E7They're (020130@1)over the moon when I don pantaloons
Am (x02210@1)                                                  Asus2My (x02200@1)sugalumps are two of a kind
Am (x02210@1)		             Asus2Sweet (x02200@1)and white and highly refined
Am (x02210@1)                                                    Asus2Honeys (x02200@1)try all kinds of tomfoolery
Am (x02210@1)                                Am (x02210@1)  Asus2 (x02200@1)name="chord_x02210@1">Am Asus2To (x02200@1)steal a feel of my family jewellery
Am (x02210@1)                                            Asus2My (x02200@1)candy balls cause a cafuffle
Am (x02210@1)                                                           Asus2The (x02200@1)ladies, they hussle to ruffle my truffle
Am (x02210@1)                                              Asus2If (x02200@1)you party with the party prince
          Am (x02210@1)                          Am (x02210@1)name="chord_x02200@1">Asus2 Am (x02210@1)name="chord_x02200@1">Asus2
You get two complimentary after dinner mints
AmGirls (x02210@1)surround me when I'm standin' on the stoop
Cadd9
Givin' me gifts like free chicken soup
FBook (133211@1)tokens, free chicken stoop
E7 (020130@1)                                                                F (133211@1)E7 (020130@1)name="chord_133211@1">F
Standin' on the corner goin' ss-ah-ss-ah
AmWe (x02210@1)see you girls checkin' out our trunks
Cadd9
We see you girls checkin' out the front of our trunks
FWe (133211@1)see you girls lookin' at our junk
E7Then (020130@1)checkin' out our rumps     
Then back to our sugalumps

(Instrumental (to the rhythm of the percussion) Am  Am(Maj7)  Am7 Dm E7

C (x32010@1)D (xx0232@1)F*                                 C*                              Gm7
All the ladies, they want a taste of my sugalumps
CSweet (x32010@1)sugalumps, yeah
F*                       C*                                    Gm7
All the ladies, they want a taste of my sugalumps
C*                                          F*
Sweet sugalumps, yeah