Just throwing this out there because I've heard people say it's on a 5-string, but
they're playing it an octave too high (lolwut, btw). It's important to get a staccato 
feel to
the notes - you'll hear it in the song, but basically just mute between poppy notes to 
get the "bouncing bass" feeling.

    G#          F#       C#      C#

G --------|---------|--------|--------|
D --------|---------|--------|-----2--|
A --------|--------2|4-4-4-4-|4-4-4---|
E 4-4-4-42|2-2-2-24-|--------|--------|