Here is what i've figured out:
normal tuning
Riff 1
e -----------------------------------------------------------------|
B -----------------------------------------------------------------|
G ------7-7-------------7---7------------7-7-------------7---7-----|
D 5-----7-7-----5-5-----7---7---5--5-----7-7-----5-5-----7---7---5-|
A 5-----5-5-----5-5-----5---5---5--5-----5-5-----5-5-----5---5---5-|
E 3-------------3-3-------------3--3-------------3-3-------------3-|
Riff 2
[ Tab from: http://www.guitaretab.com/c/cake/151691.html ]
e -------------------------------------------------------------------|
B -------------------------------------------------------------------|
G -------------------------------------------------------------------|
D -------------------------------------------------------------------|
A -----/5-----3-----1---0---1-0---------/5-----3-----1---8---8-8-8---|
E 3-----------------------------1/3----------------------------------|
after the part where he says:
After car after bus after car after truck after this my lungs will be so f**ked up
as he says f**ked up play (one chord for each word):
e ---
B 7--
G 7-5
D 5-5
A --3
Enjoy:)
E