A silly grin carved from ear to ear

Oxidised Razor Masticator
(Tune down 2.5 steps to B)

This one is a bit dodgy in places, so I'd appreciate any corrections or suggestions.

Intro (4x)

|-----------------|-----------------|
|-----------------|-----------------|
|-----------6-----|-----------------|
|---------3-6-3---|---------6---3---|
|-2-2-2-2-3-4-3---|-2-2-2-2-6---3---|
|-0-0-0-0-1---1---|-0-0-0-0-4---1---|
  e e e e e e q     e e e e q   q

Chorus: (family sing-along time)
"Salivation--sanguis, phlegm, froth, and foam
Masticating--your mandible stripped to the bone"

|---------------------|-------------------|
|---------------------|-------------------|
|---------------------|-------------------|
|---------------------|-------------------|
|---------------------|-44444444----------|
|-0000-7777-6666-3333-|----------33333333-|
  ssss sim.

"Gaping and sore..."

|------------------|---------------|  Let the G5/Bb5 chords ring while
|------------------|---------------|  strumming them...
|------------------|---------------|
|------4\3---------|-3-3-----------|
|-2----2\1-5-5-----|-1-1-----4--3--|
|-0-00-----3-3-----|---------2--1--|
  e ss e e e q.      e q.    q  q

|---------------------|-------------------|  These last two beats are
|---------------------|-------------------|  played as quarter notes the
|---------------------|-------------------|  last time...
|---------------------|-------------------|
|------7777-----------|-44443333----------|
|-0000------4444-3333-|----------22221111-|
  ssss sim.             ^55544 etc?

The amazing bridge bit ("only raw gargles...") is basically
this last progression, strummed as powerchords in an eighth note
rhythm.