Meaning
Doing great or riding high, all luck.
Origin
From 20th-century Ireland, tied to slang; 'pig's back' for luck, by 1930s in a tale for up. A 1940s 'Irish Times' uses it for a win.
Variants
- Pig's back
Usage Examples
- He's on the pig's back; big win!
- On the pig's back-life's grand.
- Pig's back; riding high now.