noun, verb, slang ·Uncommon ·College level

Definitions

Noun

1. 1
   police observation countable, slang, uncountable

   "Thing is, victim was under obbo. He'd done time. He was a nark."

Verb

1. 1
   To keep under police observation.

   "Feds on the set, trynna obbo my gang Paigons chattin', it ain't harmin' us"

Synonyms

All synonyms

obs

Example

More examples

"Thing is, victim was under obbo. He'd done time. He was a nark."

Etymology

Shortened from observation + -o.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.