Cranial Eruption has these relationships to other tropes:

parents kids shares a parent with:
Amusing Injuries
parent child
Amusing InjuriesSquashed Flat
''Sweeping Ashes
''Be The Ball
''Agony Of The Feet
''Crack Oh My Back
''Ow My Body Part
''Ash Face
''Shot In The Ass
You'll need to Get Known if you want to add or modify these relationships.