OKay so this song is old I guess haha i love it though! Here's what the chords pretty much are!

G (320003@1)   320033
Cadd9 x32033
Em    022000
A7    x02020
D (xx0232@1)   xx0232
B (x2444x@1)   x24442
Cm    x35553
C#m   x46664

CAPO 5

Intro:  G Cadd9   (just move back and forth between the two)

Who ha who ha

Nanananananana.....Nanananana...

have you ever been in love?

G (320003@1)                  Emhe's (022000@1)my best friend, best of all best friends,
A7 (x02020@1)                      D (xx0232@1)      Gdo (320003@1)you have a best friend too? It tickles in my tummy
Em (022000@1)                       A7 (x02020@1)                        Dhe's (xx0232@1)so yummy yummy, hey, you should get a best friend too.
Cadd9 G Cadd9 G
who ha who ha
G (320003@1)            Cadd9hello (x32030@1)baby, can i see a smile?
Em (022000@1)                         Di'm (xx0232@1)going to a party and it's gonna be wild, (ok)
G (320003@1)             Cadd9Can (x32030@1)i come i am sitting alone?
Em (022000@1)            DNO, (xx0232@1)friends are never alone, (that's right)
Em (022000@1)       GMaybe (320003@1)some pretty girls are in your world,
Em (022000@1)      Gexcuse (320003@1)me I could also girl,
Em (022000@1)      Glately (320003@1)everyone is making fun 
DNananananana.... (xx0232@1)G (320003@1)           Em (022000@1)               
he's my best friend best of all best friends,
A7 (x02020@1)                      Ddo (xx0232@1)you have a best friend to,
G (320003@1)                     Emit (022000@1)tickles in my tummy, he's so yummy yummy,
      A7 (x02020@1)                       Dhey, (xx0232@1)you should get a best friend too. (a best friend)
Cadd9 G Cadd9 G   Cadd9 G  Cadd9 G  
who ha who ha

(ah, hahahaha)
Cadd9 G Cadd9 G   D
who ha who ha ( nananananana...)
Cadd9 G Cadd9 G
who ha who ha
G (320003@1)                    Cadd9Aloha (x32030@1)baby, let's go to the beach
    Em (022000@1)                 Dyea, (xx0232@1)girls in binki are waiting for me
G (320003@1)                    Cadd9but (x32030@1)i was hoping for a summer romance
    Em (022000@1)               Dso (xx0232@1)why can't you take a chance? (ok)
Em (022000@1)         Gmaybe (320003@1)some pretty girls are in your world,
Em (022000@1)        Gexcuse (320003@1)me i could also be your girl,
Em (022000@1)   Glately (320003@1)everyone is making fun
DNananananana..... (xx0232@1)G (320003@1)                  Emhe's (022000@1)my best friend, best of all best friends,
A7 (x02020@1)                     Ddo (xx0232@1)you have a best friend too?
G (320003@1)                    Emit (022000@1)tickles in my tummy he's so yummy yummy,
A7 (x02020@1)                             Dhey (xx0232@1)you should get a best friend too. (a best friend)
Cadd9  G Cadd9 G  Cadd9 G   Cadd9 G   D
Who ha, who ha,who ha who ha( who ha, nanananana..)
Em (022000@1)       Gmaybe (320003@1)some pretty girls are in your world,
Em (022000@1)        Gexcuse(yea) (320003@1)me i could also be your girl,
Em (022000@1)    Glately (320003@1)everyone is making fun....
D (xx0232@1)                                             B (x2444x@1)name="chord_x3101x@1">Cm C#mlet's (x13321@4)get this party on, hit me with lazer gun
Cadd9 G Cadd9 G
eww woah woah ( c'mom boys)
Cadd9 G Cadd9 G Cadd9 G
who ha who ha who ha
Cadd9 G  
eww woah woah
A7 (x02020@1)                        Dyou (xx0232@1)should get a best friend too,
G (320003@1)             Emhe's (022000@1)my best friend best of all best friends,
A7 (x02020@1)                     Ddo (xx0232@1)you have a best friend too? 
G (320003@1)                   Emit (022000@1)tickles in my tummy he's so yummy yummy,
A7 (x02020@1)                            Dhey (xx0232@1)you should get a best friend too ( a best friend).
Cadd9 G Cadd9 G
who ha who ha 
Cadd9 (x32030@1)name="chord_320003@1">G Cadd9 (x32030@1)name="chord_320003@1">G                    Dwho (xx0232@1)ha who ha ( he's sooooo sweet, nananananana...)
GAhhh...choo (320003@1)