Intro
e|-------------------|
b|-------------------|
g|-------------------|
d|-------7-------7-6-|
a|000-45~-000-45-----|
E|000-00~-000-00-----|
Bridge
e|--------------------------|
b|--------------------------|
g|999999---------------7-77-|
d|999999-777777-999999-7-77-|
a|777777-777777-999999-5-55-|
E|-------555555-777777------|
[ Tab from: https://www.guitartabs.cc/tabs/f/fugazi/bad_mouth_tab_ver_2.html ]
Verse
e|----------------------------|----|
b|----------------------------|----|
g|999999----------------7-7-7-|7-77| 7
d|999999-777777-999999-7-7-7-7|7-77|Subsitute That For The 7 7 part in some parts.
a|777777-777777-999999--------|5-55|
E|-------555555-777777--------|----|
e|------------------------------|
b|------------------------------|
g|------------------------777777|
d|------------------------777777|after 2 times Play Palm Muted
a|------------------------555555|
E|555-444-333-222-1111111-------|
that just repeat the intro.