obbo
/ˈɒbəʊ/(also obo) slang
noun
Observation, especially in police work; an assignment involving this.
Origin
1920s (in an earlier sense). From ob- + -o.
- river engineering
- river family
- river fish
- river fount
- river fowl
- riverfront
- river frontage
- river garfish
- river glimpse
- river god
- river gravel
- river gum
- river-head
- river herring
- river hog
- riverhood
- River Indian
- riverine
- riverine rabbit
- rivering
- riverish
- river jack
- river-keeper
- river lamprey
- river lane