up the pole

Short definition from Wiktionary

Prepositional phrase

1. 1
   In favour or good repute; strait-laced.
2. 2
   In confusion or error.
3. 3
   In trouble or difficulty.
4. 4
   Drunk.
5. 5
   Teetotal; not drinking any alcohol.
6. 6
   Crazy; at one's wits' end.
7. 7
   Pregnant.