Meaning of top oneself | Babel Free

Definitions

1. To outdo oneself or do more than one's previous best.
   US, idiomatic
2. To commit suicide.
   British, slang

Examples

“But Mr Blunkett, in a remarkably frank admission, said his first thought on hearing about the 57-year-old's death was to celebrate. "You wake up and you receive a phone call - Shipman's topped himself. You have just got to think for a minute: is it too early to open a bottle? And then you discover that everybody's very upset that he's done it."”

CEFR level