Heard it on the J's. 
LONG LIVE STONER ROCK! 
 
KEY: 
h = hammer-on 
~ = vibrato 
 
INTRO: 
e|------------------------| 
B|------------------------| 
G|------------------------| 
D|--------5----------5----| 
A|-7--5h7---7----5h7---7--| 
E|------------------------| 
 
MAIN FIGURE: 
e|-----------------------|                 |----------------| 
B|-----------------------|    sometimes    |----------------| 
G|-----------------------|    moves to     |----------------| 
D|-----------------------|    this...      |----------------| 
A|-----------5---------7-|                 |-----------5~~~-| 
E|-0---0h5h7-----0h5h7---|                 |-0---0h5h7------| 
 
OTHER FIGURE: 
e|---------------------------------------------------| 
B|---------------------------------------------------| 
G|---------------------------------------------------| 
D|---------------------------------------------------| 
A|-7---7--7-7-7--8---8--8-8-8-----------5---------5--| 
E|-5---5--5-5-5--6---6--6-6-6-0---0h5h7-----0h5h7----| 
 
OTHER FIGURE PT. 2: 
e|--------------------------------------------------------| 
B|--------------------------------------------------------| 
G|--------------------------------------------------------| 
D|-----------------------------7---7--7-7-7---------------| 
A|-7---7--7-7-7--8---8--8-8-8--5---5--5-5-5--7---7--7-7-7-| 
E|-5---5--5-5-5--6---6--6-6-6----------------5---5--5-5-5-| 
 
Yeah!