Related Clues:
- Upset? Depends on how big-headed one is!
- Upset glue, lid needs to be put on first
- Bend, hang and invert
- Upset, depending on one's bigheadedness?
- Search (tho)roughly
- Turn on its head
- Turn top to bottom
- Put into disarray
- Plunder - rummage
- Search thoroughly - pillage
- Turn so that keel faces upwards
- Tip right over
- Turn from top to bottom
- Search destructively
- Search, leaving no stone unturned