Use 'fetch up' when ending up somewhere or in some state unplanned or surprisingly.

Unexpected Outcome

'Fetch up' can be used metaphorically to describe the final state of abstract things.

Figurative Usage

This phrase is often used when someone arrives at a physical location unexpectedly.

Emphasizes the action of retrieving something on someone's behalf.

Often implies carrying or moving something for another person as a help.

Use 'fetch up' to indicate an abrupt or immediate stop.

Can suggest a rapid or instant ceasing of action, often for safety or surprise.